25610864 has 20 divisors (see below), whose sum is σ = 50678304. Its totient is φ = 12532608.

The previous prime is 25610863. The next prime is 25610887. The reversal of 25610864 is 46801652.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25610864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25610863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16277 + ... + 17780.

Almost surely, 2^25610864 is an apocalyptic number.

It is an amenable number.

25610864 is a deficient number, since it is larger than the sum of its proper divisors (25067440).

25610864 is a wasteful number, since it uses less digits than its factorization.

25610864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34112 (or 34106 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 25610864 is about 5060.7177356577. The cubic root of 25610864 is about 294.7642049515.

The spelling of 25610864 in words is "twenty-five million, six hundred ten thousand, eight hundred sixty-four".