522353197 has 2 divisors, whose sum is σ = 522353198. Its totient is φ = 522353196.

The previous prime is 522353129. The next prime is 522353233. The reversal of 522353197 is 791353225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512297956 + 10055241 = 22634^2 + 3171^2 .

It is a cyclic number.

It is not a de Polignac number, because 522353197 - 2¹¹ = 522351149 is a prime.

It is a super-2 number, since 2×522353197² = 545705724832241618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522353497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261176598 + 261176599.

It is an arithmetic number, because the mean of its divisors is an integer number (261176599).

Almost surely, 2^522353197 is an apocalyptic number.

It is an amenable number.

522353197 is a deficient number, since it is larger than the sum of its proper divisors (1).

522353197 is an equidigital number, since it uses as much as digits as its factorization.

522353197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 37.

The square root of 522353197 is about 22855.0475169053. The cubic root of 522353197 is about 805.3563469981.

The spelling of 522353197 in words is "five hundred twenty-two million, three hundred fifty-three thousand, one hundred ninety-seven".