522099913 has 2 divisors, whose sum is σ = 522099914. Its totient is φ = 522099912.

The previous prime is 522099911. The next prime is 522099947. The reversal of 522099913 is 319990225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326994889 + 195105024 = 18083^2 + 13968^2 .

It is a cyclic number.

It is not a de Polignac number, because 522099913 - 2¹ = 522099911 is a prime.

Together with 522099911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (522099911) 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, 261049956 + 261049957.

It is an arithmetic number, because the mean of its divisors is an integer number (261049957).

Almost surely, 2^522099913 is an apocalyptic number.

It is an amenable number.

522099913 is a deficient number, since it is larger than the sum of its proper divisors (1).

522099913 is an equidigital number, since it uses as much as digits as its factorization.

522099913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 522099913 is about 22849.5057495780. The cubic root of 522099913 is about 805.2261561254.

The spelling of 522099913 in words is "five hundred twenty-two million, ninety-nine thousand, nine hundred thirteen".