522125379697 has 2 divisors, whose sum is σ = 522125379698. Its totient is φ = 522125379696.

The previous prime is 522125379691. The next prime is 522125379701. The reversal of 522125379697 is 796973521225.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512497060321 + 9628319376 = 715889^2 + 98124^2 .

It is a cyclic number.

It is not a de Polignac number, because 522125379697 - 2⁷ = 522125379569 is a prime.

It is a super-2 number, since 2×522125379697² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (522125379691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261062689848 + 261062689849.

It is an arithmetic number, because the mean of its divisors is an integer number (261062689849).

Almost surely, 2^522125379697 is an apocalyptic number.

It is an amenable number.

522125379697 is a deficient number, since it is larger than the sum of its proper divisors (1).

522125379697 is an equidigital number, since it uses as much as digits as its factorization.

522125379697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14288400, while the sum is 58.

The spelling of 522125379697 in words is "five hundred twenty-two billion, one hundred twenty-five million, three hundred seventy-nine thousand, six hundred ninety-seven".