25612988 has 12 divisors (see below), whose sum is σ = 47181960. Its totient is φ = 12132432.

The previous prime is 25612967. The next prime is 25612997. The reversal of 25612988 is 88921652.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 168431 + ... + 168582.

It is an arithmetic number, because the mean of its divisors is an integer number (3931830).

Almost surely, 2^25612988 is an apocalyptic number.

It is an amenable number.

25612988 is a deficient number, since it is larger than the sum of its proper divisors (21568972).

25612988 is a wasteful number, since it uses less digits than its factorization.

25612988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337036 (or 337034 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 25612988 is about 5060.9275829634. The cubic root of 25612988 is about 294.7723533408.

The spelling of 25612988 in words is "twenty-five million, six hundred twelve thousand, nine hundred eighty-eight".