564917 has 2 divisors, whose sum is σ = 564918. Its totient is φ = 564916.

The previous prime is 564899. The next prime is 564919. The reversal of 564917 is 719465.

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., 358801 + 206116 = 599^2 + 454^2 .

It is a cyclic number.

It is not a de Polignac number, because 564917 - 2¹⁴ = 548533 is a prime.

Together with 564919, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 564917.

It is not a weakly prime, because it can be changed into another prime (564919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282458 + 282459.

It is an arithmetic number, because the mean of its divisors is an integer number (282459).

2⁵⁶⁴⁹¹⁷ is an apocalyptic number.

It is an amenable number.

564917 is a deficient number, since it is larger than the sum of its proper divisors (1).

564917 is an equidigital number, since it uses as much as digits as its factorization.

564917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 564917 is about 751.6096061121. The cubic root of 564917 is about 82.6662457344. Note that the first 3 decimals are identical.

The spelling of 564917 in words is "five hundred sixty-four thousand, nine hundred seventeen".