25803056 has 20 divisors (see below), whose sum is σ = 52167792. Its totient is φ = 12340416.

The previous prime is 25803049. The next prime is 25803073. The reversal of 25803056 is 65030852.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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, 34691 + ... + 35426.

Almost surely, 2^25803056 is an apocalyptic number.

It is an amenable number.

25803056 is an abundant number, since it is smaller than the sum of its proper divisors (26364736).

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

25803056 is a wasteful number, since it uses less digits than its factorization.

25803056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70148 (or 70142 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 25803056 is about 5079.6708554787. The cubic root of 25803056 is about 295.4997027223.

It can be divided in two parts, 2580305 and 6, that multiplied together give a triangular number (15481830 = T₅₅₆₄).

The spelling of 25803056 in words is "twenty-five million, eight hundred three thousand, fifty-six".