52157525 has 12 divisors (see below), whose sum is σ = 73914912. Its totient is φ = 35765040.

The previous prime is 52157507. The next prime is 52157533. The reversal of 52157525 is 52575125.

It is not a de Polignac number, because 52157525 - 2¹² = 52153429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52157491 and 52157500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148847 + ... + 149196.

It is an arithmetic number, because the mean of its divisors is an integer number (6159576).

Almost surely, 2^52157525 is an apocalyptic number.

It is an amenable number.

52157525 is a deficient number, since it is larger than the sum of its proper divisors (21757387).

52157525 is a wasteful number, since it uses less digits than its factorization.

52157525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298060 (or 298055 counting only the distinct ones).

The product of its digits is 17500, while the sum is 32.

The square root of 52157525 is about 7222.0166851095. The cubic root of 52157525 is about 373.6276356212.

The spelling of 52157525 in words is "fifty-two million, one hundred fifty-seven thousand, five hundred twenty-five".