508831 has 4 divisors (see below), whose sum is σ = 511200. Its totient is φ = 506464.

The previous prime is 508817. The next prime is 508841. The reversal of 508831 is 138805.

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 508831 - 2⁵ = 508799 is a prime.

It is a super-2 number, since 2×508831² = 517817973122, which contains 22 as substring.

It is a Duffinian number.

508831 is a lucky number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 508796 and 508805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826 + ... + 1303.

It is an arithmetic number, because the mean of its divisors is an integer number (127800).

2⁵⁰⁸⁸³¹ is an apocalyptic number.

508831 is a deficient number, since it is larger than the sum of its proper divisors (2369).

508831 is a wasteful number, since it uses less digits than its factorization.

508831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 508831 is about 713.3239095951. The cubic root of 508831 is about 79.8346062135.

The spelling of 508831 in words is "five hundred eight thousand, eight hundred thirty-one".