25584964 has 6 divisors (see below), whose sum is σ = 44773694. Its totient is φ = 12792480.

The previous prime is 25584961. The next prime is 25584971. The reversal of 25584964 is 46948552.

It can be written as a sum of positive squares in only one way, i.e., 25583364 + 1600 = 5058^2 + 40^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25584964.

It is not an unprimeable number, because it can be changed into a prime (25584961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198117 + ... + 3198124.

Almost surely, 2^25584964 is an apocalyptic number.

It is an amenable number.

25584964 is a deficient number, since it is larger than the sum of its proper divisors (19188730).

25584964 is a wasteful number, since it uses less digits than its factorization.

25584964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6396245 (or 6396243 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The square root of 25584964 is about 5058.1581628099. The cubic root of 25584964 is about 294.6648074474.

The spelling of 25584964 in words is "twenty-five million, five hundred eighty-four thousand, nine hundred sixty-four".