563543 has 2 divisors, whose sum is σ = 563544. Its totient is φ = 563542.

The previous prime is 563503. The next prime is 563551. The reversal of 563543 is 345365.

563543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 563543 - 2⁸ = 563287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281771 + 281772.

It is an arithmetic number, because the mean of its divisors is an integer number (281772).

2⁵⁶³⁵⁴³ is an apocalyptic number.

563543 is a deficient number, since it is larger than the sum of its proper divisors (1).

563543 is an equidigital number, since it uses as much as digits as its factorization.

563543 is an evil number, because the sum of its binary digits is even.

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

The square root of 563543 is about 750.6950113062. The cubic root of 563543 is about 82.5991706108.

The spelling of 563543 in words is "five hundred sixty-three thousand, five hundred forty-three".