563775 has 12 divisors (see below), whose sum is σ = 932232. Its totient is φ = 300640.

The previous prime is 563747. The next prime is 563777. The reversal of 563775 is 577365.

It is a happy number.

It is not a de Polignac number, because 563775 - 2⁵ = 563743 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563777) 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 11 ways as a sum of consecutive naturals, for example, 3684 + ... + 3833.

It is an arithmetic number, because the mean of its divisors is an integer number (77686).

2⁵⁶³⁷⁷⁵ is an apocalyptic number.

563775 is a deficient number, since it is larger than the sum of its proper divisors (368457).

563775 is a wasteful number, since it uses less digits than its factorization.

563775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7530 (or 7525 counting only the distinct ones).

The product of its digits is 22050, while the sum is 33.

The square root of 563775 is about 750.8495188785. The cubic root of 563775 is about 82.6105038947.

The spelling of 563775 in words is "five hundred sixty-three thousand, seven hundred seventy-five".