564497 has 2 divisors, whose sum is σ = 564498. Its totient is φ = 564496.

The previous prime is 564491. The next prime is 564523. The reversal of 564497 is 794465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 541696 + 22801 = 736^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 564497 - 2¹⁶ = 498961 is a prime.

It is not a weakly prime, because it can be changed into another prime (564491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282248 + 282249.

It is an arithmetic number, because the mean of its divisors is an integer number (282249).

2⁵⁶⁴⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

564497 is a deficient number, since it is larger than the sum of its proper divisors (1).

564497 is an equidigital number, since it uses as much as digits as its factorization.

564497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 564497 is about 751.3301537939. The cubic root of 564497 is about 82.6457539741.

The spelling of 564497 in words is "five hundred sixty-four thousand, four hundred ninety-seven".