25638112 has 24 divisors (see below), whose sum is σ = 50596056. Its totient is φ = 12788352.

The previous prime is 25638103. The next prime is 25638181. The reversal of 25638112 is 21183652.

It is a congruent number.

It is an unprimeable number.

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, 18963 + ... + 20269.

It is an arithmetic number, because the mean of its divisors is an integer number (2108169).

Almost surely, 2^25638112 is an apocalyptic number.

It is an amenable number.

25638112 is a deficient number, since it is larger than the sum of its proper divisors (24957944).

25638112 is a wasteful number, since it uses less digits than its factorization.

25638112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930 (or 1922 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 25638112 is about 5063.4091282455. The cubic root of 25638112 is about 294.8687034221.

The spelling of 25638112 in words is "twenty-five million, six hundred thirty-eight thousand, one hundred twelve".