522395594160961 has 2 divisors, whose sum is σ = 522395594160962. Its totient is φ = 522395594160960.

The previous prime is 522395594160911. The next prime is 522395594160967. The reversal of 522395594160961 is 169061495593225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358228262832561 + 164167331328400 = 18926919^2 + 12812780^2 .

It is a cyclic number.

It is not a de Polignac number, because 522395594160961 - 2⁷ = 522395594160833 is a prime.

It is not a weakly prime, because it can be changed into another prime (522395594160967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261197797080480 + 261197797080481.

It is an arithmetic number, because the mean of its divisors is an integer number (261197797080481).

Almost surely, 2^{522395594160961} is an apocalyptic number.

It is an amenable number.

522395594160961 is a deficient number, since it is larger than the sum of its proper divisors (1).

522395594160961 is an equidigital number, since it uses as much as digits as its factorization.

522395594160961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464000, while the sum is 67.

The spelling of 522395594160961 in words is "five hundred twenty-two trillion, three hundred ninety-five billion, five hundred ninety-four million, one hundred sixty thousand, nine hundred sixty-one".