25145164 has 24 divisors (see below), whose sum is σ = 50093568. Its totient is φ = 10932240.

The previous prime is 25145149. The next prime is 25145171. The reversal of 25145164 is 46154152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11412 + ... + 13435.

It is an arithmetic number, because the mean of its divisors is an integer number (2087232).

Almost surely, 2^25145164 is an apocalyptic number.

It is an amenable number.

25145164 is a deficient number, since it is larger than the sum of its proper divisors (24948404).

25145164 is a wasteful number, since it uses less digits than its factorization.

25145164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24885 (or 24883 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 25145164 is about 5014.4953883716. The cubic root of 25145164 is about 292.9666314160.

The spelling of 25145164 in words is "twenty-five million, one hundred forty-five thousand, one hundred sixty-four".