522136913 has 2 divisors, whose sum is σ = 522136914. Its totient is φ = 522136912.

The previous prime is 522136889. The next prime is 522136931. The reversal of 522136913 is 319631225.

Together with next prime (522136931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290123089 + 232013824 = 17033^2 + 15232^2 .

It is a cyclic number.

It is not a de Polignac number, because 522136913 - 2²² = 517942609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 522136913.

It is not a weakly prime, because it can be changed into another prime (522166913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261068456 + 261068457.

It is an arithmetic number, because the mean of its divisors is an integer number (261068457).

Almost surely, 2^522136913 is an apocalyptic number.

It is an amenable number.

522136913 is a deficient number, since it is larger than the sum of its proper divisors (1).

522136913 is an equidigital number, since it uses as much as digits as its factorization.

522136913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 522136913 is about 22850.3153807557. The cubic root of 522136913 is about 805.2451771743.

The spelling of 522136913 in words is "five hundred twenty-two million, one hundred thirty-six thousand, nine hundred thirteen".