522513243013 has 2 divisors, whose sum is σ = 522513243014. Its totient is φ = 522513243012.

The previous prime is 522513242987. The next prime is 522513243037. The reversal of 522513243013 is 310342315225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 491839923969 + 30673319044 = 701313^2 + 175138^2 .

It is a cyclic number.

It is not a de Polignac number, because 522513243013 - 2³⁷ = 385074289541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522513241013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261256621506 + 261256621507.

It is an arithmetic number, because the mean of its divisors is an integer number (261256621507).

Almost surely, 2^522513243013 is an apocalyptic number.

It is an amenable number.

522513243013 is a deficient number, since it is larger than the sum of its proper divisors (1).

522513243013 is an equidigital number, since it uses as much as digits as its factorization.

522513243013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 522513243013 its reverse (310342315225), we get a palindrome (832855558238).

The spelling of 522513243013 in words is "five hundred twenty-two billion, five hundred thirteen million, two hundred forty-three thousand, thirteen".