566443 has 2 divisors, whose sum is σ = 566444. Its totient is φ = 566442.

The previous prime is 566441. The next prime is 566453. The reversal of 566443 is 344665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 566443 - 2¹ = 566441 is a prime.

Together with 566441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (566441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283221 + 283222.

It is an arithmetic number, because the mean of its divisors is an integer number (283222).

2⁵⁶⁶⁴⁴³ is an apocalyptic number.

566443 is a deficient number, since it is larger than the sum of its proper divisors (1).

566443 is an equidigital number, since it uses as much as digits as its factorization.

566443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 566443 is about 752.6240761496. The cubic root of 566443 is about 82.7406137527.

The spelling of 566443 in words is "five hundred sixty-six thousand, four hundred forty-three".