564997 has 2 divisors, whose sum is σ = 564998. Its totient is φ = 564996.

The previous prime is 564989. The next prime is 565013. The reversal of 564997 is 799465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285156 + 279841 = 534^2 + 529^2 .

It is a cyclic number.

It is not a de Polignac number, because 564997 - 2³ = 564989 is a prime.

It is a super-2 number, since 2×564997² = 638443220018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282498 + 282499.

It is an arithmetic number, because the mean of its divisors is an integer number (282499).

2⁵⁶⁴⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

564997 is a deficient number, since it is larger than the sum of its proper divisors (1).

564997 is an equidigital number, since it uses as much as digits as its factorization.

564997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 564997 is about 751.6628233457. The cubic root of 564997 is about 82.6701477751.

The spelling of 564997 in words is "five hundred sixty-four thousand, nine hundred ninety-seven".