522520763 has 2 divisors, whose sum is σ = 522520764. Its totient is φ = 522520762.

The previous prime is 522520759. The next prime is 522520777. The reversal of 522520763 is 367025225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 522520763 - 2² = 522520759 is a prime.

It is a super-2 number, since 2×522520763² = 546055895532204338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (522520703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261260381 + 261260382.

It is an arithmetic number, because the mean of its divisors is an integer number (261260382).

Almost surely, 2^522520763 is an apocalyptic number.

522520763 is a deficient number, since it is larger than the sum of its proper divisors (1).

522520763 is an equidigital number, since it uses as much as digits as its factorization.

522520763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 522520763 is about 22858.7130652624. The cubic root of 522520763 is about 805.4424547088.

Adding to 522520763 its reverse (367025225), we get a palindrome (889545988).

The spelling of 522520763 in words is "five hundred twenty-two million, five hundred twenty thousand, seven hundred sixty-three".