566506 has 8 divisors (see below), whose sum is σ = 854784. Its totient is φ = 281580.

The previous prime is 566453. The next prime is 566521. The reversal of 566506 is 605665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360 + ... + 1123.

It is an arithmetic number, because the mean of its divisors is an integer number (106848).

2⁵⁶⁶⁵⁰⁶ is an apocalyptic number.

566506 is a deficient number, since it is larger than the sum of its proper divisors (288278).

566506 is a wasteful number, since it uses less digits than its factorization.

566506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 566506 is about 752.6659285500. The cubic root of 566506 is about 82.7436811195.

It can be divided in two parts, 56650 and 6, that multiplied together give a triangular number (339900 = T₈₂₄).

The spelling of 566506 in words is "five hundred sixty-six thousand, five hundred six".