500231 has 2 divisors, whose sum is σ = 500232. Its totient is φ = 500230.

The previous prime is 500209. The next prime is 500233. The reversal of 500231 is 132005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 500231 - 2⁶ = 500167 is a prime.

It is a super-2 number, since 2×500231² = 500462106722, which contains 22 as substring.

Together with 500233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250115 + 250116.

It is an arithmetic number, because the mean of its divisors is an integer number (250116).

2⁵⁰⁰²³¹ is an apocalyptic number.

500231 is a deficient number, since it is larger than the sum of its proper divisors (1).

500231 is an equidigital number, since it uses as much as digits as its factorization.

500231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 500231 is about 707.2701039914. The cubic root of 500231 is about 79.3822737047.

Adding to 500231 its reverse (132005), we get a palindrome (632236).

The spelling of 500231 in words is "five hundred thousand, two hundred thirty-one".