25882564 has 6 divisors (see below), whose sum is σ = 45294494. Its totient is φ = 12941280.

The previous prime is 25882547. The next prime is 25882583. The reversal of 25882564 is 46528852.

It can be written as a sum of positive squares in only one way, i.e., 21086464 + 4796100 = 4592^2 + 2190^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235317 + ... + 3235324.

Almost surely, 2^25882564 is an apocalyptic number.

It is an amenable number.

25882564 is a deficient number, since it is larger than the sum of its proper divisors (19411930).

25882564 is a wasteful number, since it uses less digits than its factorization.

25882564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470645 (or 6470643 counting only the distinct ones).

The product of its digits is 153600, while the sum is 40.

The square root of 25882564 is about 5087.4909336529. The cubic root of 25882564 is about 295.8029032422.

The spelling of 25882564 in words is "twenty-five million, eight hundred eighty-two thousand, five hundred sixty-four".