502865 has 16 divisors (see below), whose sum is σ = 677376. Its totient is φ = 355200.

The previous prime is 502861. The next prime is 502883. The reversal of 502865 is 568205.

It is not a de Polignac number, because 502865 - 2² = 502861 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 502865.

It is not an unprimeable number, because it can be changed into a prime (502861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2144 + ... + 2366.

It is an arithmetic number, because the mean of its divisors is an integer number (42336).

2⁵⁰²⁸⁶⁵ is an apocalyptic number.

502865 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

502865 is a deficient number, since it is larger than the sum of its proper divisors (174511).

502865 is a wasteful number, since it uses less digits than its factorization.

502865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 502865 is about 709.1297483536. The cubic root of 502865 is about 79.5213607672.

The spelling of 502865 in words is "five hundred two thousand, eight hundred sixty-five".