504003 has 8 divisors (see below), whose sum is σ = 687808. Its totient is φ = 328104.

The previous prime is 504001. The next prime is 504011. The reversal of 504003 is 300405.

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

It is not a de Polignac number, because 504003 - 2¹ = 504001 is a prime.

It is a Duffinian number.

504003 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 504003.

It is not an unprimeable number, because it can be changed into a prime (504001) 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, 1825 + ... + 2082.

It is an arithmetic number, because the mean of its divisors is an integer number (85976).

2⁵⁰⁴⁰⁰³ is an apocalyptic number.

504003 is a deficient number, since it is larger than the sum of its proper divisors (183805).

504003 is a wasteful number, since it uses less digits than its factorization.

504003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 504003 is about 709.9316868544. The cubic root of 504003 is about 79.5813020567.

Adding to 504003 its reverse (300405), we get a palindrome (804408).

It can be divided in two parts, 50400 and 3, that added together give a triangular number (50403 = T₃₁₇).

The spelling of 504003 in words is "five hundred four thousand, three".