522568 has 16 divisors (see below), whose sum is σ = 992880. Its totient is φ = 257808.

The previous prime is 522553. The next prime is 522569. The reversal of 522568 is 865225.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (522569) by changing a digit.

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, 271 + ... + 1057.

It is an arithmetic number, because the mean of its divisors is an integer number (62055).

2⁵²²⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

522568 is a deficient number, since it is larger than the sum of its proper divisors (470312).

522568 is a wasteful number, since it uses less digits than its factorization.

522568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 872 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 522568 is about 722.8886497933. Note that the first 3 decimals coincide. The cubic root of 522568 is about 80.5466725220.

The spelling of 522568 in words is "five hundred twenty-two thousand, five hundred sixty-eight".