502563 has 4 divisors (see below), whose sum is σ = 670088. Its totient is φ = 335040.

The previous prime is 502553. The next prime is 502591. The reversal of 502563 is 365205.

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

It is not a de Polignac number, because 502563 - 2⁶ = 502499 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (502543) 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, 83758 + ... + 83763.

It is an arithmetic number, because the mean of its divisors is an integer number (167522).

2⁵⁰²⁵⁶³ is an apocalyptic number.

502563 is a deficient number, since it is larger than the sum of its proper divisors (167525).

502563 is a wasteful number, since it uses less digits than its factorization.

502563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167524.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 502563 is about 708.9167793190. The cubic root of 502563 is about 79.5054384951.

Adding to 502563 its reverse (365205), we get a palindrome (867768).

The spelling of 502563 in words is "five hundred two thousand, five hundred sixty-three".