533403 has 24 divisors (see below), whose sum is σ = 856128. Its totient is φ = 317952.

The previous prime is 533399. The next prime is 533413. The reversal of 533403 is 304335.

It is a happy number.

It is not a de Polignac number, because 533403 - 2² = 533399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (533413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5451 + ... + 5547.

It is an arithmetic number, because the mean of its divisors is an integer number (35672).

2⁵³³⁴⁰³ is an apocalyptic number.

533403 is a deficient number, since it is larger than the sum of its proper divisors (322725).

533403 is a wasteful number, since it uses less digits than its factorization.

533403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 533403 is about 730.3444392888. The cubic root of 533403 is about 81.0995575101.

Adding to 533403 its reverse (304335), we get a palindrome (837738).

The spelling of 533403 in words is "five hundred thirty-three thousand, four hundred three".