52637525 has 12 divisors (see below), whose sum is σ = 69110532. Its totient is φ = 39632640.

The previous prime is 52637513. The next prime is 52637527. The reversal of 52637525 is 52573625.

It can be written as a sum of positive squares in 6 ways, for example, as 1343281 + 51294244 = 1159^2 + 7162^2 .

It is not a de Polignac number, because 52637525 - 2⁸ = 52637269 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52637527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61502 + ... + 62351.

It is an arithmetic number, because the mean of its divisors is an integer number (5759211).

Almost surely, 2^52637525 is an apocalyptic number.

It is an amenable number.

52637525 is a deficient number, since it is larger than the sum of its proper divisors (16473007).

52637525 is a wasteful number, since it uses less digits than its factorization.

52637525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123880 (or 123875 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 52637525 is about 7255.1722929232. The cubic root of 52637525 is about 374.7702889459.

The spelling of 52637525 in words is "fifty-two million, six hundred thirty-seven thousand, five hundred twenty-five".