25389964 has 24 divisors (see below), whose sum is σ = 46952640. Its totient is φ = 11993856.

The previous prime is 25389941. The next prime is 25389971. The reversal of 25389964 is 46998352.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3124 + ... + 7780.

It is an arithmetic number, because the mean of its divisors is an integer number (1956360).

Almost surely, 2^25389964 is an apocalyptic number.

It is an amenable number.

25389964 is a deficient number, since it is larger than the sum of its proper divisors (21562676).

25389964 is a wasteful number, since it uses less digits than its factorization.

25389964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737 (or 4735 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 25389964 is about 5038.8455026921. The cubic root of 25389964 is about 293.9142854080.

The spelling of 25389964 in words is "twenty-five million, three hundred eighty-nine thousand, nine hundred sixty-four".