522525052 has 48 divisors (see below), whose sum is σ = 1061786880. Its totient is φ = 220378752.

The previous prime is 522525049. The next prime is 522525083. The reversal of 522525052 is 250525225.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 522525052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764703 + ... + 765385.

It is an arithmetic number, because the mean of its divisors is an integer number (22120560).

Almost surely, 2^522525052 is an apocalyptic number.

It is an amenable number.

522525052 is an abundant number, since it is smaller than the sum of its proper divisors (539261828).

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

522525052 is a wasteful number, since it uses less digits than its factorization.

522525052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 522525052 is about 22858.8068805001. The cubic root of 522525052 is about 805.4446584702. Note that the first 3 decimals are identical.

The spelling of 522525052 in words is "five hundred twenty-two million, five hundred twenty-five thousand, fifty-two".