533021 has 8 divisors (see below), whose sum is σ = 554040. Its totient is φ = 512512.

The previous prime is 533011. The next prime is 533033. The reversal of 533021 is 120335.

533021 = 29² + 30² + ... + 117².

It can be written as a sum of positive squares in 4 ways, for example, as 121 + 532900 = 11^2 + 730^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 533021 - 2¹⁰ = 531997 is a prime.

It is a super-2 number, since 2×533021² = 568222772882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 532987 and 533005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4661 + ... + 4773.

It is an arithmetic number, because the mean of its divisors is an integer number (69255).

2⁵³³⁰²¹ is an apocalyptic number.

It is an amenable number.

533021 is a deficient number, since it is larger than the sum of its proper divisors (21019).

533021 is a wasteful number, since it uses less digits than its factorization.

533021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 533021 is about 730.0828720084. The cubic root of 533021 is about 81.0801928962.

Adding to 533021 its reverse (120335), we get a palindrome (653356).

Subtracting from 533021 its reverse (120335), we obtain a triangular number (412686 = T₉₀₈).

The spelling of 533021 in words is "five hundred thirty-three thousand, twenty-one".