25135764 has 12 divisors (see below), whose sum is σ = 58650144. Its totient is φ = 8378584.

The previous prime is 25135753. The next prime is 25135771. The reversal of 25135764 is 46753152.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047312 + ... + 1047335.

It is an arithmetic number, because the mean of its divisors is an integer number (4887512).

Almost surely, 2^25135764 is an apocalyptic number.

It is an amenable number.

25135764 is an abundant number, since it is smaller than the sum of its proper divisors (33514380).

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

25135764 is a wasteful number, since it uses less digits than its factorization.

25135764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094654 (or 2094652 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 25135764 is about 5013.5580180148. The cubic root of 25135764 is about 292.9301203588.

The spelling of 25135764 in words is "twenty-five million, one hundred thirty-five thousand, seven hundred sixty-four".