803533 has 4 divisors (see below), whose sum is σ = 818748. Its totient is φ = 788320.

The previous prime is 803519. The next prime is 803549. The reversal of 803533 is 335308.

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

It can be written as a sum of positive squares in 2 ways, for example, as 514089 + 289444 = 717^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 803533 - 2⁵ = 803501 is a prime.

It is a super-3 number, since 3×803533³ = 1556440083338461311, which contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7528 + ... + 7633.

It is an arithmetic number, because the mean of its divisors is an integer number (204687).

2⁸⁰³⁵³³ is an apocalyptic number.

It is an amenable number.

803533 is a deficient number, since it is larger than the sum of its proper divisors (15215).

803533 is a wasteful number, since it uses less digits than its factorization.

803533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15214.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 803533 is about 896.4000223115. The cubic root of 803533 is about 92.9682321064.

The spelling of 803533 in words is "eight hundred three thousand, five hundred thirty-three".