500147231 has 2 divisors, whose sum is σ = 500147232. Its totient is φ = 500147230.

The previous prime is 500147173. The next prime is 500147239. The reversal of 500147231 is 132741005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 500147231 - 2¹⁴ = 500130847 is a prime.

It is a super-2 number, since 2×500147231² = 500294505353934722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 500147197 and 500147206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500147239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250073615 + 250073616.

It is an arithmetic number, because the mean of its divisors is an integer number (250073616).

Almost surely, 2^500147231 is an apocalyptic number.

500147231 is a deficient number, since it is larger than the sum of its proper divisors (1).

500147231 is an equidigital number, since it uses as much as digits as its factorization.

500147231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 500147231 is about 22363.9717179217. The cubic root of 500147231 is about 793.7784232201.

Adding to 500147231 its reverse (132741005), we get a palindrome (632888236).

The spelling of 500147231 in words is "five hundred million, one hundred forty-seven thousand, two hundred thirty-one".