535903 has 4 divisors (see below), whose sum is σ = 539280. Its totient is φ = 532528.

The previous prime is 535879. The next prime is 535919. The reversal of 535903 is 309535.

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

It is a cyclic number.

It is not a de Polignac number, because 535903 - 2⁹ = 535391 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 (535943) 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, 1438 + ... + 1771.

It is an arithmetic number, because the mean of its divisors is an integer number (134820).

2⁵³⁵⁹⁰³ is an apocalyptic number.

535903 is a deficient number, since it is larger than the sum of its proper divisors (3377).

535903 is a wasteful number, since it uses less digits than its factorization.

535903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376.

The product of its (nonzero) digits is 2025, while the sum is 25.

The square root of 535903 is about 732.0539597598. The cubic root of 535903 is about 81.2260615869.

The spelling of 535903 in words is "five hundred thirty-five thousand, nine hundred three".