522502563 has 12 divisors (see below), whose sum is σ = 765761864. Its totient is φ = 316668000.

The previous prime is 522502553. The next prime is 522502577. The reversal of 522502563 is 365205225.

It is a de Polignac number, because none of the positive numbers 2^k-522502563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 522502563.

It is not an unprimeable number, because it can be changed into a prime (522502543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 719338 + ... + 720063.

Almost surely, 2^522502563 is an apocalyptic number.

522502563 is a deficient number, since it is larger than the sum of its proper divisors (243259301).

522502563 is a wasteful number, since it uses less digits than its factorization.

522502563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439426 (or 1439415 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 522502563 is about 22858.3149641438. The cubic root of 522502563 is about 805.4331031041.

Adding to 522502563 its reverse (365205225), we get a palindrome (887707788).

The spelling of 522502563 in words is "five hundred twenty-two million, five hundred two thousand, five hundred sixty-three".