# 25457

## 25,457 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 25457 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

25457 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 25457:

### 25457

See below for interesting mathematical facts about the number 25457 from the Numbermatics database.

### Names of 25457

• Cardinal: 25457 can be written as Twenty-five thousand, four hundred fifty-seven.

### Scientific notation

• Scientific notation: 2.5457 × 104

### Factors of 25457

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 25457

### Divisors of 25457

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 25458
• Sum of proper divisors (its aliquot sum) s(n): 1
• 25457 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 25456

### Bases of 25457

• Binary: 1100011011100012
• Base-36: JN5

### Squares and roots of 25457

• 25457 squared (254572) is 648058849
• 25457 cubed (254573) is 16497634118993
• The square root of 25457 is 159.5524991969
• The cube root of 25457 is 29.4172727723

### Scales and comparisons

How big is 25457?
• 25,457 seconds is equal to 7 hours, 4 minutes, 17 seconds.
• To count from 1 to 25,457 would take you about seven hours.

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 25457 cubic inches would be around 2.5 feet tall.

### Recreational maths with 25457

• 25457 backwards is 75452
• The number of decimal digits it has is: 5
• The sum of 25457's digits is 23
• More coming soon!