25072256 has 32 divisors (see below), whose sum is σ = 54492480. Its totient is φ = 11395840.

The previous prime is 25072253. The next prime is 25072261. The reversal of 25072256 is 65227052.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (25072253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7496 + ... + 10311.

It is an arithmetic number, because the mean of its divisors is an integer number (1702890).

Almost surely, 2^25072256 is an apocalyptic number.

It is an amenable number.

25072256 is an abundant number, since it is smaller than the sum of its proper divisors (29420224).

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

25072256 is a wasteful number, since it uses less digits than its factorization.

25072256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17832 (or 17820 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 25072256 is about 5007.2203866017. The cubic root of 25072256 is about 292.6832066267.

The spelling of 25072256 in words is "twenty-five million, seventy-two thousand, two hundred fifty-six".