503013 has 16 divisors (see below), whose sum is σ = 812160. Its totient is φ = 270336.

The previous prime is 503003. The next prime is 503017. The reversal of 503013 is 310305.

It is a happy number.

It is not a de Polignac number, because 503013 - 2⁹ = 502501 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 503013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503017) 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, 348 + ... + 1061.

It is an arithmetic number, because the mean of its divisors is an integer number (50760).

2⁵⁰³⁰¹³ is an apocalyptic number.

It is an amenable number.

503013 is a deficient number, since it is larger than the sum of its proper divisors (309147).

503013 is a wasteful number, since it uses less digits than its factorization.

503013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436.

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 503013 is about 709.2340939351. The cubic root of 503013 is about 79.5291614075.

Adding to 503013 its reverse (310305), we get a palindrome (813318).

The spelling of 503013 in words is "five hundred three thousand, thirteen".