522500113 has 4 divisors (see below), whose sum is σ = 522663988. Its totient is φ = 522336240.

The previous prime is 522500107. The next prime is 522500183. The reversal of 522500113 is 311005225.

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 394538769 + 127961344 = 19863^2 + 11312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522500113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522500183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77058 + ... + 83563.

It is an arithmetic number, because the mean of its divisors is an integer number (130665997).

Almost surely, 2^522500113 is an apocalyptic number.

It is an amenable number.

522500113 is a deficient number, since it is larger than the sum of its proper divisors (163875).

522500113 is a wasteful number, since it uses less digits than its factorization.

522500113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163874.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 522500113 is about 22858.2613730791. The cubic root of 522500113 is about 805.4318442177.

Adding to 522500113 its reverse (311005225), we get a palindrome (833505338).

The spelling of 522500113 in words is "five hundred twenty-two million, five hundred thousand, one hundred thirteen".