543543 has 32 divisors (see below), whose sum is σ = 978432. Its totient is φ = 259200.

The previous prime is 543539. The next prime is 543551. The reversal of 543543 is 345345.

It is a happy number.

543543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 543543 - 2² = 543539 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 543543.

It is not an unprimeable number, because it can be changed into a prime (543503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2913 + ... + 3093.

It is an arithmetic number, because the mean of its divisors is an integer number (30576).

2⁵⁴³⁵⁴³ is an apocalyptic number.

543543 is a deficient number, since it is larger than the sum of its proper divisors (434889).

543543 is a wasteful number, since it uses less digits than its factorization.

543543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215.

The product of its digits is 3600, while the sum is 24.

The square root of 543543 is about 737.2536876815. The cubic root of 543543 is about 81.6102363648.

Adding to 543543 its reverse (345345), we get a palindrome (888888).

The spelling of 543543 in words is "five hundred forty-three thousand, five hundred forty-three".