25005256 has 16 divisors (see below), whose sum is σ = 46967040. Its totient is φ = 12480720.

The previous prime is 25005191. The next prime is 25005263. The reversal of 25005256 is 65250052.

It is a self number, because there is not a number n which added to its sum of digits gives 25005256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2761 + ... + 7591.

It is an arithmetic number, because the mean of its divisors is an integer number (2935440).

Almost surely, 2^25005256 is an apocalyptic number.

It is an amenable number.

25005256 is a deficient number, since it is larger than the sum of its proper divisors (21961784).

25005256 is a wasteful number, since it uses less digits than its factorization.

25005256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484 (or 5480 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 25005256 is about 5000.5255723774. The cubic root of 25005256 is about 292.4222639017.

The spelling of 25005256 in words is "twenty-five million, five thousand, two hundred fifty-six".