503536 has 20 divisors (see below), whose sum is σ = 1064664. Its totient is φ = 228800.

The previous prime is 503501. The next prime is 503543. The reversal of 503536 is 635305.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

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, 1255 + ... + 1606.

2⁵⁰³⁵³⁶ is an apocalyptic number.

It is an amenable number.

503536 is an abundant number, since it is smaller than the sum of its proper divisors (561128).

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

503536 is a wasteful number, since it uses less digits than its factorization.

503536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 503536 is about 709.6027057446. The cubic root of 503536 is about 79.5567149328.

Subtracting 503536 from its reverse (635305), we obtain a square (131769 = 363²).

The spelling of 503536 in words is "five hundred three thousand, five hundred thirty-six".