523535205252 has 48 divisors (see below), whose sum is σ = 1225978880000. Its totient is φ = 173884747680.

The previous prime is 523535205239. The next prime is 523535205307. The reversal of 523535205252 is 252502535325.

It is a super-2 number, since 2×523535205252² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 523535205252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3709149 + ... + 3847707.

Almost surely, 2^523535205252 is an apocalyptic number.

It is an amenable number.

523535205252 is an abundant number, since it is smaller than the sum of its proper divisors (702443674748).

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

523535205252 is a wasteful number, since it uses less digits than its factorization.

523535205252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139696 (or 139694 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 39.

The spelling of 523535205252 in words is "five hundred twenty-three billion, five hundred thirty-five million, two hundred five thousand, two hundred fifty-two".