503103 has 8 divisors (see below), whose sum is σ = 681088. Its totient is φ = 330264.

The previous prime is 503077. The next prime is 503123. The reversal of 503103 is 301305.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 503103 - 2⁶ = 503039 is a prime.

It is a super-2 number, since 2×503103² = 506225257218, which contains 22 as substring.

It is a Duffinian number.

503103 is a lucky 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 503103.

It is not an unprimeable number, because it can be changed into a prime (503123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051 + ... + 1452.

It is an arithmetic number, because the mean of its divisors is an integer number (85136).

2⁵⁰³¹⁰³ is an apocalyptic number.

503103 is a deficient number, since it is larger than the sum of its proper divisors (177985).

503103 is a wasteful number, since it uses less digits than its factorization.

503103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573.

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

The square root of 503103 is about 709.2975398237. The cubic root of 503103 is about 79.5339042920.

Adding to 503103 its reverse (301305), we get a palindrome (804408).

It can be divided in two parts, 503 and 103, that added together give a palindrome (606).

The spelling of 503103 in words is "five hundred three thousand, one hundred three".