521314579 has 2 divisors, whose sum is σ = 521314580. Its totient is φ = 521314578.

The previous prime is 521314561. The next prime is 521314597. The reversal of 521314579 is 975413125.

Together with next prime (521314597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (521314561) and next prime (521314597).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-521314579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (521317579) 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 as a sum of consecutive naturals, namely, 260657289 + 260657290.

It is an arithmetic number, because the mean of its divisors is an integer number (260657290).

Almost surely, 2^521314579 is an apocalyptic number.

521314579 is a deficient number, since it is larger than the sum of its proper divisors (1).

521314579 is an equidigital number, since it uses as much as digits as its factorization.

521314579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 37.

The square root of 521314579 is about 22832.3143592585. The cubic root of 521314579 is about 804.8222175974.

It can be divided in two parts, 52 and 1314579, that added together give a triangular number (1314631 = T₁₆₂₁).

The spelling of 521314579 in words is "five hundred twenty-one million, three hundred fourteen thousand, five hundred seventy-nine".