25032664 has 16 divisors (see below), whose sum is σ = 47353320. Its totient is φ = 12405120.

The previous prime is 25032661. The next prime is 25032691. The reversal of 25032664 is 46623052.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25032661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12942 + ... + 14749.

Almost surely, 2^25032664 is an apocalyptic number.

It is an amenable number.

25032664 is a deficient number, since it is larger than the sum of its proper divisors (22320656).

25032664 is a wasteful number, since it uses less digits than its factorization.

25032664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27810 (or 27806 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 25032664 is about 5003.2653337595. The cubic root of 25032664 is about 292.5290652200.

The spelling of 25032664 in words is "twenty-five million, thirty-two thousand, six hundred sixty-four".