522712 has 16 divisors (see below), whose sum is σ = 987840. Its totient is φ = 259296.

The previous prime is 522707. The next prime is 522719. The reversal of 522712 is 217225.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 522712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1638 + ... + 1930.

It is an arithmetic number, because the mean of its divisors is an integer number (61740).

2⁵²²⁷¹² is an apocalyptic number.

It is an amenable number.

522712 is a deficient number, since it is larger than the sum of its proper divisors (465128).

522712 is a wasteful number, since it uses less digits than its factorization.

522712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 518 counting only the distinct ones).

The product of its digits is 280, while the sum is 19.

The square root of 522712 is about 722.9882433346. The cubic root of 522712 is about 80.5540703826.

Adding to 522712 its reverse (217225), we get a palindrome (739937).

The spelling of 522712 in words is "five hundred twenty-two thousand, seven hundred twelve".