52520820500525 has 24 divisors (see below), whose sum is σ = 70136198329344. Its totient is φ = 38784217348800.

The previous prime is 52520820500521. The next prime is 52520820500563. The reversal of 52520820500525 is 52500502802525.

It is not a de Polignac number, because 52520820500525 - 2² = 52520820500521 is a prime.

It is a super-2 number, since 2×52520820500525² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52520820500521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33977012 + ... + 35489138.

It is an arithmetic number, because the mean of its divisors is an integer number (2922341597056).

Almost surely, 2^{52520820500525} is an apocalyptic number.

It is an amenable number.

52520820500525 is a deficient number, since it is larger than the sum of its proper divisors (17615377828819).

52520820500525 is a wasteful number, since it uses less digits than its factorization.

52520820500525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619021 (or 1619016 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 41.

The spelling of 52520820500525 in words is "fifty-two trillion, five hundred twenty billion, eight hundred twenty million, five hundred thousand, five hundred twenty-five".