500243 has 4 divisors (see below), whose sum is σ = 502488. Its totient is φ = 498000.

The previous prime is 500239. The next prime is 500249. The reversal of 500243 is 342005.

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 500243 - 2² = 500239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746 + ... + 1247.

It is an arithmetic number, because the mean of its divisors is an integer number (125622).

2⁵⁰⁰²⁴³ is an apocalyptic number.

500243 is a deficient number, since it is larger than the sum of its proper divisors (2245).

500243 is a wasteful number, since it uses less digits than its factorization.

500243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 500243 is about 707.2785872625. The cubic root of 500243 is about 79.3829084645.

Adding to 500243 its reverse (342005), we get a palindrome (842248).

The spelling of 500243 in words is "five hundred thousand, two hundred forty-three".