522193472357 has 2 divisors, whose sum is σ = 522193472358. Its totient is φ = 522193472356.

The previous prime is 522193472329. The next prime is 522193472371. The reversal of 522193472357 is 753274391225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484897751716 + 37295720641 = 696346^2 + 193121^2 .

It is a cyclic number.

It is not a de Polignac number, because 522193472357 - 2²⁸ = 521925036901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522193478357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261096736178 + 261096736179.

It is an arithmetic number, because the mean of its divisors is an integer number (261096736179).

Almost surely, 2^522193472357 is an apocalyptic number.

It is an amenable number.

522193472357 is a deficient number, since it is larger than the sum of its proper divisors (1).

522193472357 is an equidigital number, since it uses as much as digits as its factorization.

522193472357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 50.

The spelling of 522193472357 in words is "five hundred twenty-two billion, one hundred ninety-three million, four hundred seventy-two thousand, three hundred fifty-seven".