566831 has 4 divisors (see below), whose sum is σ = 600192. Its totient is φ = 533472.

The previous prime is 566821. The next prime is 566833. The reversal of 566831 is 138665.

566831 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, and also an emirpimes, since its reverse is a distinct semiprime: 138665 = 5 ⋅27733.

It is a cyclic number.

It is not a de Polignac number, because 566831 - 2⁶ = 566767 is a prime.

It is a super-2 number, since 2×566831² = 642594765122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 566794 and 566803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566833) 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, 16655 + ... + 16688.

It is an arithmetic number, because the mean of its divisors is an integer number (150048).

2⁵⁶⁶⁸³¹ is an apocalyptic number.

566831 is a deficient number, since it is larger than the sum of its proper divisors (33361).

566831 is a wasteful number, since it uses less digits than its factorization.

566831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33360.

The product of its digits is 4320, while the sum is 29.

The square root of 566831 is about 752.8817968313. The cubic root of 566831 is about 82.7595012259.

The spelling of 566831 in words is "five hundred sixty-six thousand, eight hundred thirty-one".