503320 has 16 divisors (see below), whose sum is σ = 1132560. Its totient is φ = 201312.

The previous prime is 503317. The next prime is 503339. The reversal of 503320 is 23305.

It is a self number, because there is not a number n which added to its sum of digits gives 503320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6252 + ... + 6331.

It is an arithmetic number, because the mean of its divisors is an integer number (70785).

2⁵⁰³³²⁰ is an apocalyptic number.

It is an amenable number.

503320 is an abundant number, since it is smaller than the sum of its proper divisors (629240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503320 is a wasteful number, since it uses less digits than its factorization.

503320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12594 (or 12590 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 503320 is about 709.4504915778. The cubic root of 503320 is about 79.5453375880.

Adding to 503320 its reverse (23305), we get a palindrome (526625).

The spelling of 503320 in words is "five hundred three thousand, three hundred twenty".