564729197 has 2 divisors, whose sum is σ = 564729198. Its totient is φ = 564729196.

The previous prime is 564729181. The next prime is 564729199. The reversal of 564729197 is 791927465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 563635081 + 1094116 = 23741^2 + 1046^2 .

It is a cyclic number.

It is not a de Polignac number, because 564729197 - 2⁴ = 564729181 is a prime.

Together with 564729199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564729199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282364598 + 282364599.

It is an arithmetic number, because the mean of its divisors is an integer number (282364599).

Almost surely, 2^564729197 is an apocalyptic number.

It is an amenable number.

564729197 is a deficient number, since it is larger than the sum of its proper divisors (1).

564729197 is an equidigital number, since it uses as much as digits as its factorization.

564729197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 50.

The square root of 564729197 is about 23764.0315813626. The cubic root of 564729197 is about 826.5708409961.

The spelling of 564729197 in words is "five hundred sixty-four million, seven hundred twenty-nine thousand, one hundred ninety-seven".