502085 has 4 divisors (see below), whose sum is σ = 602508. Its totient is φ = 401664.

The previous prime is 502081. The next prime is 502087. The reversal of 502085 is 580205.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 580205 = 5 ⋅116041.

It can be written as a sum of positive squares in 2 ways, for example, as 91204 + 410881 = 302^2 + 641^2 .

It is a cyclic number.

It is not a de Polignac number, because 502085 - 2² = 502081 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 502085.

It is not an unprimeable number, because it can be changed into a prime (502081) 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, 50204 + ... + 50213.

It is an arithmetic number, because the mean of its divisors is an integer number (150627).

2⁵⁰²⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

502085 is a deficient number, since it is larger than the sum of its proper divisors (100423).

502085 is a wasteful number, since it uses less digits than its factorization.

502085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100422.

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

The square root of 502085 is about 708.5795650455. The cubic root of 502085 is about 79.4802239749.

The spelling of 502085 in words is "five hundred two thousand, eighty-five".