500285 has 4 divisors (see below), whose sum is σ = 600348. Its totient is φ = 400224.

The previous prime is 500257. The next prime is 500287. The reversal of 500285 is 582005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 209764 + 290521 = 458^2 + 539^2 .

It is a cyclic number.

It is not a de Polignac number, because 500285 - 2⁸ = 500029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50024 + ... + 50033.

It is an arithmetic number, because the mean of its divisors is an integer number (150087).

2⁵⁰⁰²⁸⁵ is an apocalyptic number.

It is an amenable number.

500285 is a deficient number, since it is larger than the sum of its proper divisors (100063).

500285 is a wasteful number, since it uses less digits than its factorization.

500285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100062.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 500285 is about 707.3082779100. The cubic root of 500285 is about 79.3851300441.

The spelling of 500285 in words is "five hundred thousand, two hundred eighty-five".