565122197 has 2 divisors, whose sum is σ = 565122198. Its totient is φ = 565122196.

The previous prime is 565122139. The next prime is 565122203. The reversal of 565122197 is 791221565.

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., 528954001 + 36168196 = 22999^2 + 6014^2 .

It is a cyclic number.

It is not a de Polignac number, because 565122197 - 2⁸ = 565121941 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 565122197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565127197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282561098 + 282561099.

It is an arithmetic number, because the mean of its divisors is an integer number (282561099).

Almost surely, 2^565122197 is an apocalyptic number.

It is an amenable number.

565122197 is a deficient number, since it is larger than the sum of its proper divisors (1).

565122197 is an equidigital number, since it uses as much as digits as its factorization.

565122197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 38.

The square root of 565122197 is about 23772.2989422563. The cubic root of 565122197 is about 826.7625358342.

The spelling of 565122197 in words is "five hundred sixty-five million, one hundred twenty-two thousand, one hundred ninety-seven".