25402056 has 16 divisors (see below), whose sum is σ = 63505200. Its totient is φ = 8467344.

The previous prime is 25402033. The next prime is 25402073. The reversal of 25402056 is 65020452.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1058419 = 25402056 / (2 + 5 + 4 + 0 + 2 + 0 + 5 + 6).

It is an unprimeable number.

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, 529186 + ... + 529233.

It is an arithmetic number, because the mean of its divisors is an integer number (3969075).

Almost surely, 2^25402056 is an apocalyptic number.

It is an amenable number.

25402056 is an abundant number, since it is smaller than the sum of its proper divisors (38103144).

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

25402056 is a wasteful number, since it uses less digits than its factorization.

25402056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058428 (or 1058424 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 25402056 is about 5040.0452378922. The cubic root of 25402056 is about 293.9609370100.

The spelling of 25402056 in words is "twenty-five million, four hundred two thousand, fifty-six".