522508 has 12 divisors (see below), whose sum is σ = 1045072. Its totient is φ = 223920.

The previous prime is 522497. The next prime is 522517. The reversal of 522508 is 805225.

522508 is an admirable number.

It is a super-2 number, since 2×522508² = 546029220128, which contains 22 as substring.

It is an unprimeable number.

522508 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9303 + ... + 9358.

2⁵²²⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

522508 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

522508 is a wasteful number, since it uses less digits than its factorization.

522508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18672 (or 18670 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 522508 is about 722.8471484346. The cubic root of 522508 is about 80.5435896790.

The spelling of 522508 in words is "five hundred twenty-two thousand, five hundred eight".