52521525 has 36 divisors (see below), whose sum is σ = 107513952. Its totient is φ = 24009120.

The previous prime is 52521509. The next prime is 52521559. The reversal of 52521525 is 52512525.

It is not a de Polignac number, because 52521525 - 2⁴ = 52521509 is a prime.

52521525 is a modest number, since divided by 21525 gives 525 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15099 + ... + 18248.

Almost surely, 2^52521525 is an apocalyptic number.

It is an amenable number.

52521525 is an abundant number, since it is smaller than the sum of its proper divisors (54992427).

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

52521525 is a wasteful number, since it uses less digits than its factorization.

52521525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33370 (or 33362 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 52521525 is about 7247.1735869924. The cubic root of 52521525 is about 374.4947863301.

The spelling of 52521525 in words is "fifty-two million, five hundred twenty-one thousand, five hundred twenty-five".