25856488 has 32 divisors (see below), whose sum is σ = 56908800. Its totient is φ = 10780992.

The previous prime is 25856483. The next prime is 25856489. The reversal of 25856488 is 88465852.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25856483) 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 7 ways as a sum of consecutive naturals, for example, 4168 + ... + 8311.

It is an arithmetic number, because the mean of its divisors is an integer number (1778400).

Almost surely, 2^25856488 is an apocalyptic number.

25856488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25856488 is an abundant number, since it is smaller than the sum of its proper divisors (31052312).

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

25856488 is a wasteful number, since it uses less digits than its factorization.

25856488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12529 (or 12525 counting only the distinct ones).

The product of its digits is 614400, while the sum is 46.

The square root of 25856488 is about 5084.9275314403. The cubic root of 25856488 is about 295.7035319912.

The spelling of 25856488 in words is "twenty-five million, eight hundred fifty-six thousand, four hundred eighty-eight".