25725256 has 16 divisors (see below), whose sum is σ = 48605040. Its totient is φ = 12763920.

The previous prime is 25725251. The next prime is 25725281. The reversal of 25725256 is 65252752.

It is not an unprimeable number, because it can be changed into a prime (25725251) 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, 11226 + ... + 13321.

It is an arithmetic number, because the mean of its divisors is an integer number (3037815).

Almost surely, 2^25725256 is an apocalyptic number.

It is an amenable number.

25725256 is a deficient number, since it is larger than the sum of its proper divisors (22879784).

25725256 is a wasteful number, since it uses less digits than its factorization.

25725256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24684 (or 24680 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 25725256 is about 5072.0070977868. The cubic root of 25725256 is about 295.2024120758.

The spelling of 25725256 in words is "twenty-five million, seven hundred twenty-five thousand, two hundred fifty-six".