25123164 has 48 divisors (see below), whose sum is σ = 66165120. Its totient is φ = 7349440.

The previous prime is 25123159. The next prime is 25123171. The reversal of 25123164 is 46132152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547 + ... + 7109.

It is an arithmetic number, because the mean of its divisors is an integer number (1378440).

Almost surely, 2^25123164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25123164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33082560).

25123164 is an abundant number, since it is smaller than the sum of its proper divisors (41041956).

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

25123164 is a wasteful number, since it uses less digits than its factorization.

25123164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610 (or 6608 counting only the distinct ones).

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

The square root of 25123164 is about 5012.3012678809. The cubic root of 25123164 is about 292.8811657243.

The spelling of 25123164 in words is "twenty-five million, one hundred twenty-three thousand, one hundred sixty-four".