508566 has 8 divisors (see below), whose sum is σ = 1017144. Its totient is φ = 169520.

The previous prime is 508559. The next prime is 508567. The reversal of 508566 is 665805.

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

508566 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508567) 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, 42375 + ... + 42386.

It is an arithmetic number, because the mean of its divisors is an integer number (127143).

2⁵⁰⁸⁵⁶⁶ is an apocalyptic number.

508566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

508566 is a wasteful number, since it uses less digits than its factorization.

508566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84766.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 508566 is about 713.1381352866. The cubic root of 508566 is about 79.8207444765.

Subtracting from 508566 its sum of digits (30), we obtain a triangular number (508536 = T₁₀₀₈).

It can be divided in two parts, 5085 and 66, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 508566 in words is "five hundred eight thousand, five hundred sixty-six".