566523231 has 4 divisors (see below), whose sum is σ = 755364312. Its totient is φ = 377682152.

The previous prime is 566523227. The next prime is 566523253. The reversal of 566523231 is 132325665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 566523231 - 2² = 566523227 is a prime.

It is a super-2 number, since 2×566523231² = 641897142525358722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 566523192 and 566523201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566523631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94420536 + ... + 94420541.

It is an arithmetic number, because the mean of its divisors is an integer number (188841078).

Almost surely, 2^566523231 is an apocalyptic number.

566523231 is a deficient number, since it is larger than the sum of its proper divisors (188841081).

566523231 is a wasteful number, since it uses less digits than its factorization.

566523231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188841080.

The product of its digits is 32400, while the sum is 33.

The square root of 566523231 is about 23801.7484861932. The cubic root of 566523231 is about 827.4452002910.

Adding to 566523231 its reverse (132325665), we get a palindrome (698848896).

The spelling of 566523231 in words is "five hundred sixty-six million, five hundred twenty-three thousand, two hundred thirty-one".