25252764 has 12 divisors (see below), whose sum is σ = 58923144. Its totient is φ = 8417584.

The previous prime is 25252757. The next prime is 25252811. The reversal of 25252764 is 46725252.

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

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1052187 + ... + 1052210.

It is an arithmetic number, because the mean of its divisors is an integer number (4910262).

Almost surely, 2^25252764 is an apocalyptic number.

It is an amenable number.

25252764 is an abundant number, since it is smaller than the sum of its proper divisors (33670380).

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

25252764 is a wasteful number, since it uses less digits than its factorization.

25252764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104404 (or 2104402 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 25252764 is about 5025.2128313137. The cubic root of 25252764 is about 293.3839197651.

The spelling of 25252764 in words is "twenty-five million, two hundred fifty-two thousand, seven hundred sixty-four".