522459139 has 2 divisors, whose sum is σ = 522459140. Its totient is φ = 522459138.

The previous prime is 522459071. The next prime is 522459143. The reversal of 522459139 is 931954225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 522459139 - 2¹³ = 522450947 is a prime.

It is not a weakly prime, because it can be changed into another prime (522159139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261229569 + 261229570.

It is an arithmetic number, because the mean of its divisors is an integer number (261229570).

Almost surely, 2^522459139 is an apocalyptic number.

522459139 is a deficient number, since it is larger than the sum of its proper divisors (1).

522459139 is an equidigital number, since it uses as much as digits as its factorization.

522459139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 40.

The square root of 522459139 is about 22857.3650931160. The cubic root of 522459139 is about 805.4107899147.

The spelling of 522459139 in words is "five hundred twenty-two million, four hundred fifty-nine thousand, one hundred thirty-nine".