503904303 has 12 divisors (see below), whose sum is σ = 831842128. Its totient is φ = 287945280.

The previous prime is 503904283. The next prime is 503904353. The reversal of 503904303 is 303409305.

It is not a de Polignac number, because 503904303 - 2¹³ = 503896111 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 (503904353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3999178 + ... + 3999303.

Almost surely, 2^503904303 is an apocalyptic number.

503904303 is a deficient number, since it is larger than the sum of its proper divisors (327937825).

503904303 is a wasteful number, since it uses less digits than its factorization.

503904303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7998494 (or 7998491 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 503904303 is about 22447.8128778730. The cubic root of 503904303 is about 795.7610701586.

The spelling of 503904303 in words is "five hundred three million, nine hundred four thousand, three hundred three".