83235533 has 4 divisors (see below), whose sum is σ = 85485180. Its totient is φ = 80985888.

The previous prime is 83235517. The next prime is 83235541. The reversal of 83235533 is 33553238.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33553238 = 2 ⋅16776619.

It can be written as a sum of positive squares in 2 ways, for example, as 73582084 + 9653449 = 8578^2 + 3107^2 .

It is a cyclic number.

It is not a de Polignac number, because 83235533 - 2⁴ = 83235517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83235533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83237533) 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, 1124768 + ... + 1124841.

It is an arithmetic number, because the mean of its divisors is an integer number (21371295).

Almost surely, 2^83235533 is an apocalyptic number.

It is an amenable number.

83235533 is a deficient number, since it is larger than the sum of its proper divisors (2249647).

83235533 is a wasteful number, since it uses less digits than its factorization.

83235533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249646.

The product of its digits is 32400, while the sum is 32.

The square root of 83235533 is about 9123.3509742857. The cubic root of 83235533 is about 436.6192925575.

The spelling of 83235533 in words is "eighty-three million, two hundred thirty-five thousand, five hundred thirty-three".