543963 has 8 divisors (see below), whose sum is σ = 828928. Its totient is φ = 310824.

The previous prime is 543929. The next prime is 543967. The reversal of 543963 is 369345.

It is a happy number.

543963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 543963 - 2⁸ = 543707 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 543963.

It is not an unprimeable number, because it can be changed into a prime (543967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12931 + ... + 12972.

It is an arithmetic number, because the mean of its divisors is an integer number (103616).

2⁵⁴³⁹⁶³ is an apocalyptic number.

543963 is a deficient number, since it is larger than the sum of its proper divisors (284965).

543963 is a wasteful number, since it uses less digits than its factorization.

543963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25913.

The product of its digits is 9720, while the sum is 30.

The square root of 543963 is about 737.5384735727. The cubic root of 543963 is about 81.6312512459.

The spelling of 543963 in words is "five hundred forty-three thousand, nine hundred sixty-three".