25083664 has 10 divisors (see below), whose sum is σ = 48599630. Its totient is φ = 12541824.

The previous prime is 25083649. The next prime is 25083683. The reversal of 25083664 is 46638052.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25080064 + 3600 = 5008^2 + 60^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 783849 + ... + 783880.

It is an arithmetic number, because the mean of its divisors is an integer number (4859963).

Almost surely, 2^25083664 is an apocalyptic number.

It is an amenable number.

25083664 is a deficient number, since it is larger than the sum of its proper divisors (23515966).

25083664 is a wasteful number, since it uses less digits than its factorization.

25083664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567737 (or 1567731 counting only the distinct ones).

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

The square root of 25083664 is about 5008.3594120231. The cubic root of 25083664 is about 292.7275906627.

The spelling of 25083664 in words is "twenty-five million, eighty-three thousand, six hundred sixty-four".