500239 has 2 divisors, whose sum is σ = 500240. Its totient is φ = 500238.

The previous prime is 500237. The next prime is 500249. The reversal of 500239 is 932005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 500239 - 2¹ = 500237 is a prime.

Together with 500237, it forms a pair of twin primes.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250119 + 250120.

It is an arithmetic number, because the mean of its divisors is an integer number (250120).

2⁵⁰⁰²³⁹ is an apocalyptic number.

500239 is a deficient number, since it is larger than the sum of its proper divisors (1).

500239 is an equidigital number, since it uses as much as digits as its factorization.

500239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 500239 is about 707.2757595168. The cubic root of 500239 is about 79.3826968790.

It can be divided in two parts, 5002 and 39, that added together give a square (5041 = 71²).

The spelling of 500239 in words is "five hundred thousand, two hundred thirty-nine".