25957256 has 16 divisors (see below), whose sum is σ = 52413900. Its totient is φ = 11980224.

The previous prime is 25957247. The next prime is 25957259. The reversal of 25957256 is 65275952.

It can be written as a sum of positive squares in 2 ways, for example, as 24344356 + 1612900 = 4934^2 + 1270^2 .

It is not an unprimeable number, because it can be changed into a prime (25957259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124691 + ... + 124898.

Almost surely, 2^25957256 is an apocalyptic number.

25957256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25957256 is an abundant number, since it is smaller than the sum of its proper divisors (26456644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25957256 is a wasteful number, since it uses less digits than its factorization.

25957256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249608 (or 249604 counting only the distinct ones).

The product of its digits is 189000, while the sum is 41.

The square root of 25957256 is about 5094.8263954722. The cubic root of 25957256 is about 296.0871730099.

The spelling of 25957256 in words is "twenty-five million, nine hundred fifty-seven thousand, two hundred fifty-six".