522558042360461 has 2 divisors, whose sum is σ = 522558042360462. Its totient is φ = 522558042360460.

The previous prime is 522558042360427. The next prime is 522558042360491. The reversal of 522558042360461 is 164063240855225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455725618848361 + 66832423512100 = 21347731^2 + 8175110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522558042360461 is a prime.

It is a super-2 number, since 2×522558042360461² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522558042360491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261279021180230 + 261279021180231.

It is an arithmetic number, because the mean of its divisors is an integer number (261279021180231).

Almost surely, 2^{522558042360461} is an apocalyptic number.

It is an amenable number.

522558042360461 is a deficient number, since it is larger than the sum of its proper divisors (1).

522558042360461 is an equidigital number, since it uses as much as digits as its factorization.

522558042360461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824000, while the sum is 53.

The spelling of 522558042360461 in words is "five hundred twenty-two trillion, five hundred fifty-eight billion, forty-two million, three hundred sixty thousand, four hundred sixty-one".