522472574766917 has 2 divisors, whose sum is σ = 522472574766918. Its totient is φ = 522472574766916.

The previous prime is 522472574766823. The next prime is 522472574766997. The reversal of 522472574766917 is 719667475274225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358979373456001 + 163493201310916 = 18946751^2 + 12786446^2 .

It is a cyclic number.

It is not a de Polignac number, because 522472574766917 - 2¹⁰ = 522472574765893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522472574766997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261236287383458 + 261236287383459.

It is an arithmetic number, because the mean of its divisors is an integer number (261236287383459).

Almost surely, 2^{522472574766917} is an apocalyptic number.

It is an amenable number.

522472574766917 is a deficient number, since it is larger than the sum of its proper divisors (1).

522472574766917 is an equidigital number, since it uses as much as digits as its factorization.

522472574766917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2489356800, while the sum is 74.

The spelling of 522472574766917 in words is "five hundred twenty-two trillion, four hundred seventy-two billion, five hundred seventy-four million, seven hundred sixty-six thousand, nine hundred seventeen".