25664914 has 16 divisors (see below), whose sum is σ = 42892416. Its totient is φ = 11417200.

The previous prime is 25664887. The next prime is 25664923. The reversal of 25664914 is 41946652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11377 + ... + 13444.

It is an arithmetic number, because the mean of its divisors is an integer number (2680776).

Almost surely, 2^25664914 is an apocalyptic number.

25664914 is a deficient number, since it is larger than the sum of its proper divisors (17227502).

25664914 is a wasteful number, since it uses less digits than its factorization.

25664914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24881.

The product of its digits is 51840, while the sum is 37.

The square root of 25664914 is about 5066.0550727366. The cubic root of 25664914 is about 294.9714192362.

The spelling of 25664914 in words is "twenty-five million, six hundred sixty-four thousand, nine hundred fourteen".