506333231 has 16 divisors (see below), whose sum is σ = 527899680. Its totient is φ = 485291520.

The previous prime is 506333207. The next prime is 506333237. The reversal of 506333231 is 132333605.

It is a cyclic number.

It is not a de Polignac number, because 506333231 - 2²² = 502138927 is a prime.

It is a super-2 number, since 2×506333231² = 512746681629798722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 506333231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506333237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611840 + ... + 612666.

It is an arithmetic number, because the mean of its divisors is an integer number (32993730).

Almost surely, 2^506333231 is an apocalyptic number.

506333231 is a deficient number, since it is larger than the sum of its proper divisors (21566449).

506333231 is a wasteful number, since it uses less digits than its factorization.

506333231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114.

The product of its (nonzero) digits is 4860, while the sum is 26.

The square root of 506333231 is about 22501.8495017632. The cubic root of 506333231 is about 797.0376015975.

Adding to 506333231 its reverse (132333605), we get a palindrome (638666836).

The spelling of 506333231 in words is "five hundred six million, three hundred thirty-three thousand, two hundred thirty-one".