502663 has 4 divisors (see below), whose sum is σ = 574480. Its totient is φ = 430848.

The previous prime is 502651. The next prime is 502669. The reversal of 502663 is 366205.

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 502663 - 2⁵ = 502631 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 (502669) 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, 35898 + ... + 35911.

It is an arithmetic number, because the mean of its divisors is an integer number (143620).

2⁵⁰²⁶⁶³ is an apocalyptic number.

502663 is a deficient number, since it is larger than the sum of its proper divisors (71817).

502663 is an equidigital number, since it uses as much as digits as its factorization.

502663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71816.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 502663 is about 708.9873059512. The cubic root of 502663 is about 79.5107114768.

Adding to 502663 its reverse (366205), we get a palindrome (868868).

The spelling of 502663 in words is "five hundred two thousand, six hundred sixty-three".