535503 has 4 divisors (see below), whose sum is σ = 714008. Its totient is φ = 357000.

The previous prime is 535499. The next prime is 535511. The reversal of 535503 is 305535.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 535503 - 2² = 535499 is a prime.

It is a d-powerful number, because it can be written as 5⁴ + 3⁷ + 5⁴ + 5⁴ + 0 + 3¹² .

It is a D-number.

It is a Duffinian number.

535503 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 535503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535523) 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 3 ways as a sum of consecutive naturals, for example, 89248 + ... + 89253.

It is an arithmetic number, because the mean of its divisors is an integer number (178502).

2⁵³⁵⁵⁰³ is an apocalyptic number.

535503 is a deficient number, since it is larger than the sum of its proper divisors (178505).

535503 is a wasteful number, since it uses less digits than its factorization.

535503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178504.

The product of its (nonzero) digits is 1125, while the sum is 21.

The square root of 535503 is about 731.7807048563. The cubic root of 535503 is about 81.2058474115.

The spelling of 535503 in words is "five hundred thirty-five thousand, five hundred three".