522643563 has 32 divisors (see below), whose sum is σ = 882907200. Its totient is φ = 302704128.

The previous prime is 522643549. The next prime is 522643577. The reversal of 522643563 is 365346225.

522643563 is a `hidden beast` number, since 5 + 2 + 2 + 643 + 5 + 6 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (522643549) and next prime (522643577).

It is not a de Polignac number, because 522643563 - 2⁵ = 522643531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (522653563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37828 + ... + 49761.

It is an arithmetic number, because the mean of its divisors is an integer number (27590850).

Almost surely, 2^522643563 is an apocalyptic number.

522643563 is a deficient number, since it is larger than the sum of its proper divisors (360263637).

522643563 is a wasteful number, since it uses less digits than its factorization.

522643563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87628 (or 87622 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 522643563 is about 22861.3989729413. The cubic root of 522643563 is about 805.5055466745.

Adding to 522643563 its reverse (365346225), we get a palindrome (887989788).

The spelling of 522643563 in words is "five hundred twenty-two million, six hundred forty-three thousand, five hundred sixty-three".