522604 has 6 divisors (see below), whose sum is σ = 914564. Its totient is φ = 261300.

The previous prime is 522601. The next prime is 522623. The reversal of 522604 is 406225.

It is a super-2 number, since 2×522604² = 546229881632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (522601) 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 as a sum of consecutive naturals, namely, 65322 + ... + 65329.

2⁵²²⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

522604 is a deficient number, since it is larger than the sum of its proper divisors (391960).

522604 is a wasteful number, since it uses less digits than its factorization.

522604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130655 (or 130653 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 522604 is about 722.9135494649. The cubic root of 522604 is about 80.5485221146.

Adding to 522604 its reverse (406225), we get a palindrome (928829).

The spelling of 522604 in words is "five hundred twenty-two thousand, six hundred four".