564443 has 12 divisors (see below), whose sum is σ = 650328. Its totient is φ = 485760.

The previous prime is 564437. The next prime is 564449. The reversal of 564443 is 344465.

It is an interprime number because it is at equal distance from previous prime (564437) and next prime (564449).

It is not a de Polignac number, because 564443 - 2¹⁰ = 563419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564449) 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 in 11 ways as a sum of consecutive naturals, for example, 5771 + ... + 5867.

It is an arithmetic number, because the mean of its divisors is an integer number (54194).

2⁵⁶⁴⁴⁴³ is an apocalyptic number.

564443 is a deficient number, since it is larger than the sum of its proper divisors (85885).

564443 is a wasteful number, since it uses less digits than its factorization.

564443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 131 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 564443 is about 751.2942166688. The cubic root of 564443 is about 82.6431185819.

The spelling of 564443 in words is "five hundred sixty-four thousand, four hundred forty-three".