563947 has 2 divisors, whose sum is σ = 563948. Its totient is φ = 563946.

The previous prime is 563933. The next prime is 563971. The reversal of 563947 is 749365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 563947 - 2¹⁹ = 39659 is a prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (563987) 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 as a sum of consecutive naturals, namely, 281973 + 281974.

It is an arithmetic number, because the mean of its divisors is an integer number (281974).

2⁵⁶³⁹⁴⁷ is an apocalyptic number.

563947 is a deficient number, since it is larger than the sum of its proper divisors (1).

563947 is an equidigital number, since it uses as much as digits as its factorization.

563947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 563947 is about 750.9640470755. The cubic root of 563947 is about 82.6189041501.

The spelling of 563947 in words is "five hundred sixty-three thousand, nine hundred forty-seven".