80533 has 4 divisors (see below), whose sum is σ = 83340. Its totient is φ = 77728.

The previous prime is 80527. The next prime is 80537. The reversal of 80533 is 33508.

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 26244 + 54289 = 162^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 80533 - 2⁹ = 80021 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 80533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80537) 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, 1360 + ... + 1417.

It is an arithmetic number, because the mean of its divisors is an integer number (20835).

2⁸⁰⁵³³ is an apocalyptic number.

It is an amenable number.

80533 is a deficient number, since it is larger than the sum of its proper divisors (2807).

80533 is a wasteful number, since it uses less digits than its factorization.

80533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 80533 is about 283.7833680821. The cubic root of 80533 is about 43.1841748735.

It can be divided in two parts, 805 and 33, that multiplied together give a triangular number (26565 = T₂₃₀).

The spelling of 80533 in words is "eighty thousand, five hundred thirty-three".