566231 has 2 divisors, whose sum is σ = 566232. Its totient is φ = 566230.

The previous prime is 566227. The next prime is 566233. The reversal of 566231 is 132665.

Added to its reverse (132665) it gives a square (698896 = 836²).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 566231 - 2² = 566227 is a prime.

It is a super-2 number, since 2×566231² = 641235090722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 566233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 566197 and 566206.

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 566231.

It is not a weakly prime, because it can be changed into another prime (566233) 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, 283115 + 283116.

It is an arithmetic number, because the mean of its divisors is an integer number (283116).

2⁵⁶⁶²³¹ is an apocalyptic number.

566231 is a deficient number, since it is larger than the sum of its proper divisors (1).

566231 is an equidigital number, since it uses as much as digits as its factorization.

566231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 566231 is about 752.4832224043. The cubic root of 566231 is about 82.7302901491.

Adding to 566231 its reverse (132665), we get a palindrome (698896).

It can be divided in two parts, 566 and 231, that added together give a palindrome (797).

The spelling of 566231 in words is "five hundred sixty-six thousand, two hundred thirty-one".