522552 has 16 divisors (see below), whose sum is σ = 1306440. Its totient is φ = 174176.

The previous prime is 522541. The next prime is 522553. The reversal of 522552 is 255225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522553) by changing a digit.

522552 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10863 + ... + 10910.

2⁵²²⁵⁵² is an apocalyptic number.

It is an amenable number.

522552 is an abundant number, since it is smaller than the sum of its proper divisors (783888).

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

522552 is a wasteful number, since it uses less digits than its factorization.

522552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21782 (or 21778 counting only the distinct ones).

The product of its digits is 1000, while the sum is 21.

The square root of 522552 is about 722.8775829973. The cubic root of 522552 is about 80.5458504537.

Adding to 522552 its reverse (255225), we get a palindrome (777777).

The spelling of 522552 in words is "five hundred twenty-two thousand, five hundred fifty-two".