522564 has 24 divisors (see below), whose sum is σ = 1393728. Its totient is φ = 149280.

The previous prime is 522553. The next prime is 522569. The reversal of 522564 is 465225.

It is a nialpdrome in base 14.

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 7 ways as a sum of consecutive naturals, for example, 3027 + ... + 3194.

It is an arithmetic number, because the mean of its divisors is an integer number (58072).

2⁵²²⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

522564 is an abundant number, since it is smaller than the sum of its proper divisors (871164).

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

522564 is a wasteful number, since it uses less digits than its factorization.

522564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6235 (or 6233 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 522564 is about 722.8858831102. The cubic root of 522564 is about 80.5464670065.

Adding to 522564 its reverse (465225), we get a palindrome (987789).

The spelling of 522564 in words is "five hundred twenty-two thousand, five hundred sixty-four".