25961888 has 24 divisors (see below), whose sum is σ = 51982560. Its totient is φ = 12760000.

The previous prime is 25961869. The next prime is 25961893. The reversal of 25961888 is 88816952.

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, 4988 + ... + 8763.

It is an arithmetic number, because the mean of its divisors is an integer number (2165940).

Almost surely, 2^25961888 is an apocalyptic number.

It is an amenable number.

25961888 is an abundant number, since it is smaller than the sum of its proper divisors (26020672).

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

25961888 is a wasteful number, since it uses less digits than its factorization.

25961888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13820 (or 13812 counting only the distinct ones).

The product of its digits is 276480, while the sum is 47.

The square root of 25961888 is about 5095.2809539808. The cubic root of 25961888 is about 296.1047839394.

The spelling of 25961888 in words is "twenty-five million, nine hundred sixty-one thousand, eight hundred eighty-eight".