478503 has 12 divisors (see below), whose sum is σ = 700960. Its totient is φ = 314496.

The previous prime is 478493. The next prime is 478523. The reversal of 478503 is 305874.

It is not a de Polignac number, because 478503 - 2⁹ = 477991 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian 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 478503.

It is not an unprimeable number, because it can be changed into a prime (478523) 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 11 ways as a sum of consecutive naturals, for example, 375 + ... + 1047.

2⁴⁷⁸⁵⁰³ is an apocalyptic number.

478503 is a deficient number, since it is larger than the sum of its proper divisors (222457).

478503 is a wasteful number, since it uses less digits than its factorization.

478503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 478503 is about 691.7391126718. The cubic root of 478503 is about 78.2158714348.

The spelling of 478503 in words is "four hundred seventy-eight thousand, five hundred three".