543563 has 4 divisors (see below), whose sum is σ = 556248. Its totient is φ = 530880.

The previous prime is 543553. The next prime is 543593. The reversal of 543563 is 365345.

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

It is a cyclic number.

It is not a de Polignac number, because 543563 - 2⁸ = 543307 is a prime.

It is a plaindrome in base 12.

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 3 ways as a sum of consecutive naturals, for example, 6278 + ... + 6363.

It is an arithmetic number, because the mean of its divisors is an integer number (139062).

2⁵⁴³⁵⁶³ is an apocalyptic number.

543563 is a deficient number, since it is larger than the sum of its proper divisors (12685).

543563 is a wasteful number, since it uses less digits than its factorization.

543563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12684.

The product of its digits is 5400, while the sum is 26.

The square root of 543563 is about 737.2672514089. The cubic root of 543563 is about 81.6112373189.

The spelling of 543563 in words is "five hundred forty-three thousand, five hundred sixty-three".