566506231 has 4 divisors (see below), whose sum is σ = 574485264. Its totient is φ = 558527200.

The previous prime is 566506229. The next prime is 566506253. The reversal of 566506231 is 132605665.

566506231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 566506231 - 2¹ = 566506229 is a prime.

It is a super-2 number, since 2×566506231² = 641858619523650722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566506201) 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, 3989410 + ... + 3989551.

It is an arithmetic number, because the mean of its divisors is an integer number (143621316).

Almost surely, 2^566506231 is an apocalyptic number.

566506231 is a deficient number, since it is larger than the sum of its proper divisors (7979033).

566506231 is an equidigital number, since it uses as much as digits as its factorization.

566506231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7979032.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 566506231 is about 23801.3913668928. The cubic root of 566506231 is about 827.4369236612.

The spelling of 566506231 in words is "five hundred sixty-six million, five hundred six thousand, two hundred thirty-one".