25560456 has 16 divisors (see below), whose sum is σ = 63901200. Its totient is φ = 8520144.

The previous prime is 25560389. The next prime is 25560463. The reversal of 25560456 is 65406552.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532486 + ... + 532533.

It is an arithmetic number, because the mean of its divisors is an integer number (3993825).

Almost surely, 2^25560456 is an apocalyptic number.

It is an amenable number.

25560456 is an abundant number, since it is smaller than the sum of its proper divisors (38340744).

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

25560456 is a wasteful number, since it uses less digits than its factorization.

25560456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065028 (or 1065024 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 25560456 is about 5055.7349614077. The cubic root of 25560456 is about 294.5706902905.

The spelling of 25560456 in words is "twenty-five million, five hundred sixty thousand, four hundred fifty-six".