566543 has 2 divisors, whose sum is σ = 566544. Its totient is φ = 566542.

The previous prime is 566539. The next prime is 566549. The reversal of 566543 is 345665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 566543 - 2² = 566539 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283271 + 283272.

It is an arithmetic number, because the mean of its divisors is an integer number (283272).

2⁵⁶⁶⁵⁴³ is an apocalyptic number.

566543 is a deficient number, since it is larger than the sum of its proper divisors (1).

566543 is an equidigital number, since it uses as much as digits as its factorization.

566543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 566543 is about 752.6905074465. The cubic root of 566543 is about 82.7454824829.

The spelling of 566543 in words is "five hundred sixty-six thousand, five hundred forty-three".