83533 has 4 divisors (see below), whose sum is σ = 84448. Its totient is φ = 82620.

The previous prime is 83497. The next prime is 83537. The reversal of 83533 is 33538.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83533 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83537) 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, 303 + ... + 508.

It is an arithmetic number, because the mean of its divisors is an integer number (21112).

2⁸³⁵³³ is an apocalyptic number.

It is an amenable number.

83533 is a deficient number, since it is larger than the sum of its proper divisors (915).

83533 is a wasteful number, since it uses less digits than its factorization.

83533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914.

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

The square root of 83533 is about 289.0207605000. The cubic root of 83533 is about 43.7138803923.

It can be divided in two parts, 835 and 33, that added together give a palindrome (868).

The spelling of 83533 in words is "eighty-three thousand, five hundred thirty-three".