25213164 has 24 divisors (see below), whose sum is σ = 59404800. Its totient is φ = 8322384.

The previous prime is 25213141. The next prime is 25213187. The reversal of 25213164 is 46131252.

It is an interprime number because it is at equal distance from previous prime (25213141) and next prime (25213187).

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 7 ways as a sum of consecutive naturals, for example, 8964 + ... + 11435.

It is an arithmetic number, because the mean of its divisors is an integer number (2475200).

Almost surely, 2^25213164 is an apocalyptic number.

It is an amenable number.

25213164 is an abundant number, since it is smaller than the sum of its proper divisors (34191636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25213164 is a wasteful number, since it uses less digits than its factorization.

25213164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20509 (or 20507 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 25213164 is about 5021.2711538016. The cubic root of 25213164 is about 293.2304833410.

The spelling of 25213164 in words is "twenty-five million, two hundred thirteen thousand, one hundred sixty-four".