25830664 has 16 divisors (see below), whose sum is σ = 48755520. Its totient is φ = 12829200.

The previous prime is 25830653. The next prime is 25830689. The reversal of 25830664 is 46603852.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9484 + ... + 11899.

It is an arithmetic number, because the mean of its divisors is an integer number (3047220).

Almost surely, 2^25830664 is an apocalyptic number.

It is an amenable number.

25830664 is a deficient number, since it is larger than the sum of its proper divisors (22924856).

25830664 is a wasteful number, since it uses less digits than its factorization.

25830664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21540 (or 21536 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 25830664 is about 5082.3876278773. The cubic root of 25830664 is about 295.6050552035.

The spelling of 25830664 in words is "twenty-five million, eight hundred thirty thousand, six hundred sixty-four".