506031 has 4 divisors (see below), whose sum is σ = 674712. Its totient is φ = 337352.

The previous prime is 505979. The next prime is 506047. The reversal of 506031 is 130605.

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 506031 - 2¹¹ = 503983 is a prime.

It is a super-2 number, since 2×506031² = 512134745922, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 506031.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 506031.

It is not an unprimeable number, because it can be changed into a prime (506071) 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, 84336 + ... + 84341.

It is an arithmetic number, because the mean of its divisors is an integer number (168678).

2⁵⁰⁶⁰³¹ is an apocalyptic number.

506031 is a deficient number, since it is larger than the sum of its proper divisors (168681).

506031 is a wasteful number, since it uses less digits than its factorization.

506031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168680.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 506031 is about 711.3585593778. The cubic root of 506031 is about 79.6878985755.

Adding to 506031 its reverse (130605), we get a palindrome (636636).

The spelling of 506031 in words is "five hundred six thousand, thirty-one".