522472574767021 has 2 divisors, whose sum is σ = 522472574767022. Its totient is φ = 522472574767020.

The previous prime is 522472574766997. The next prime is 522472574767051. The reversal of 522472574767021 is 120767475274225.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350801287496100 + 171671287270921 = 18729690^2 + 13102339^2 .

It is a cyclic number.

It is not a de Polignac number, because 522472574767021 - 2¹³ = 522472574758829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522472574767051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261236287383510 + 261236287383511.

It is an arithmetic number, because the mean of its divisors is an integer number (261236287383511).

Almost surely, 2^{522472574767021} is an apocalyptic number.

It is an amenable number.

522472574767021 is a deficient number, since it is larger than the sum of its proper divisors (1).

522472574767021 is an equidigital number, since it uses as much as digits as its factorization.

522472574767021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92198400, while the sum is 61.

The spelling of 522472574767021 in words is "five hundred twenty-two trillion, four hundred seventy-two billion, five hundred seventy-four million, seven hundred sixty-seven thousand, twenty-one".