522317137 has 2 divisors, whose sum is σ = 522317138. Its totient is φ = 522317136.

The previous prime is 522317119. The next prime is 522317179. The reversal of 522317137 is 731713225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424524816 + 97792321 = 20604^2 + 9889^2 .

It is a cyclic number.

It is not a de Polignac number, because 522317137 - 2²³ = 513928529 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 522317099 and 522317108.

It is not a weakly prime, because it can be changed into another prime (522311137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261158568 + 261158569.

It is an arithmetic number, because the mean of its divisors is an integer number (261158569).

Almost surely, 2^522317137 is an apocalyptic number.

It is an amenable number.

522317137 is a deficient number, since it is larger than the sum of its proper divisors (1).

522317137 is an equidigital number, since it uses as much as digits as its factorization.

522317137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 31.

The square root of 522317137 is about 22854.2586184720. The cubic root of 522317137 is about 805.3378143154.

The spelling of 522317137 in words is "five hundred twenty-two million, three hundred seventeen thousand, one hundred thirty-seven".