83543 has 4 divisors (see below), whose sum is σ = 87960. Its totient is φ = 79128.

The previous prime is 83537. The next prime is 83557. The reversal of 83543 is 34538.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83543 is a prime.

It is a d-powerful number, because it can be written as 8³ + 3⁴ + 5⁷ + 4⁶ + 3⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83563) 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, 2180 + ... + 2217.

It is an arithmetic number, because the mean of its divisors is an integer number (21990).

2⁸³⁵⁴³ is an apocalyptic number.

83543 is a deficient number, since it is larger than the sum of its proper divisors (4417).

83543 is a wasteful number, since it uses less digits than its factorization.

83543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416.

The product of its digits is 1440, while the sum is 23.

The square root of 83543 is about 289.0380597776. The cubic root of 83543 is about 43.7156246984.

It can be divided in two parts, 835 and 43, that added together give a palindrome (878).

The spelling of 83543 in words is "eighty-three thousand, five hundred forty-three".