# 525

## 525 is an odd composite number composed of three prime numbers multiplied together.

What does the number 525 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

525 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 525:

### 3 × 52 × 7

(3 × 5 × 5 × 7)

See below for interesting mathematical facts about the number 525 from the Numbermatics database.

### Names of 525

• Cardinal: 525 can be written as Five hundred twenty-five.

### Scientific notation

• Scientific notation: 5.25 × 102

### Factors of 525

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 15

### Divisors of 525

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 992
• Sum of proper divisors (its aliquot sum) s(n): 467
• 525 is a deficient number, because the sum of its proper divisors (467) is less than itself. Its deficiency is 58

### Bases of 525

• Binary: 10000011012
• Base-36: EL

### Squares and roots of 525

• 525 squared (5252) is 275625
• 525 cubed (5253) is 144703125
• The square root of 525 is 22.9128784747
• The cube root of 525 is 8.0671432303

### Scales and comparisons

How big is 525?
• 525 seconds is equal to 8 minutes, 45 seconds.
• To count from 1 to 525 would take you about four minutes.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 525 cubic inches would be around 0.7 feet tall.

### Recreational maths with 525

• 525 is the same when its digits are reversed! That makes it a palindromic number.
• The number of decimal digits it has is: 3
• The sum of 525's digits is 12
• More coming soon!