564789697 has 2 divisors, whose sum is σ = 564789698. Its totient is φ = 564789696.

The previous prime is 564789689. The next prime is 564789737. The reversal of 564789697 is 796987465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 564727696 + 62001 = 23764^2 + 249^2 .

It is a cyclic number.

It is not a de Polignac number, because 564789697 - 2³ = 564789689 is a prime.

It is not a weakly prime, because it can be changed into another prime (564789097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282394848 + 282394849.

It is an arithmetic number, because the mean of its divisors is an integer number (282394849).

Almost surely, 2^564789697 is an apocalyptic number.

It is an amenable number.

564789697 is a deficient number, since it is larger than the sum of its proper divisors (1).

564789697 is an equidigital number, since it uses as much as digits as its factorization.

564789697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22861440, while the sum is 61.

The square root of 564789697 is about 23765.3044794297. The cubic root of 564789697 is about 826.6003570606.

The spelling of 564789697 in words is "five hundred sixty-four million, seven hundred eighty-nine thousand, six hundred ninety-seven".