543343 has 4 divisors (see below), whose sum is σ = 571960. Its totient is φ = 514728.

The previous prime is 543341. The next prime is 543349. The reversal of 543343 is 343345.

543343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343345 = 5 ⋅68669.

It is a cyclic number.

It is not a de Polignac number, because 543343 - 2¹ = 543341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543341) 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, 14280 + ... + 14317.

It is an arithmetic number, because the mean of its divisors is an integer number (142990).

2⁵⁴³³⁴³ is an apocalyptic number.

543343 is a deficient number, since it is larger than the sum of its proper divisors (28617).

543343 is a wasteful number, since it uses less digits than its factorization.

543343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28616.

The product of its digits is 2160, while the sum is 22.

The square root of 543343 is about 737.1180366807. The cubic root of 543343 is about 81.6002254736.

Adding to 543343 its reverse (343345), we get a palindrome (886688).

It can be divided in two parts, 5433 and 43, that added together give a square (5476 = 74²).

The spelling of 543343 in words is "five hundred forty-three thousand, three hundred forty-three".