563143 has 4 divisors (see below), whose sum is σ = 643600. Its totient is φ = 482688.

The previous prime is 563131. The next prime is 563149. The reversal of 563143 is 341365.

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 563143 - 2⁹ = 562631 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 (563149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40218 + ... + 40231.

It is an arithmetic number, because the mean of its divisors is an integer number (160900).

2⁵⁶³¹⁴³ is an apocalyptic number.

563143 is a deficient number, since it is larger than the sum of its proper divisors (80457).

563143 is an equidigital number, since it uses as much as digits as its factorization.

563143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80456.

The product of its digits is 1080, while the sum is 22.

The square root of 563143 is about 750.4285442332. The cubic root of 563143 is about 82.5796231593.

The spelling of 563143 in words is "five hundred sixty-three thousand, one hundred forty-three".