522424512013 has 4 divisors (see below), whose sum is σ = 522433553788. Its totient is φ = 522415470240.

The previous prime is 522424511989. The next prime is 522424512041. The reversal of 522424512013 is 310215424225.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6445199524 + 515979312489 = 80282^2 + 718317^2 .

It is a cyclic number.

It is not a de Polignac number, because 522424512013 - 2⁵ = 522424511981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522424512613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4433658 + ... + 4549963.

It is an arithmetic number, because the mean of its divisors is an integer number (130608388447).

Almost surely, 2^522424512013 is an apocalyptic number.

It is an amenable number.

522424512013 is a deficient number, since it is larger than the sum of its proper divisors (9041775).

522424512013 is an equidigital number, since it uses as much as digits as its factorization.

522424512013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9041774.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 522424512013 its reverse (310215424225), we get a palindrome (832639936238).

The spelling of 522424512013 in words is "five hundred twenty-two billion, four hundred twenty-four million, five hundred twelve thousand, thirteen".