25641882 has 48 divisors (see below), whose sum is σ = 67234752. Its totient is φ = 6894720.

The previous prime is 25641871. The next prime is 25641911. The reversal of 25641882 is 28814652.

25641882 is a `hidden beast` number, since 2 + 5 + 641 + 8 + 8 + 2 = 666.

It is a super-2 number, since 2×25641882² = 1315012225003848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3844 + ... + 8127.

It is an arithmetic number, because the mean of its divisors is an integer number (1400724).

Almost surely, 2^25641882 is an apocalyptic number.

25641882 is an abundant number, since it is smaller than the sum of its proper divisors (41592870).

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

25641882 is a wasteful number, since it uses less digits than its factorization.

25641882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12003 (or 12000 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 25641882 is about 5063.7813933858. The cubic root of 25641882 is about 294.8831558713.

The spelling of 25641882 in words is "twenty-five million, six hundred forty-one thousand, eight hundred eighty-two".