563263985 has 16 divisors (see below), whose sum is σ = 686493264. Its totient is φ = 443584512.

The previous prime is 563263937. The next prime is 563263991. The reversal of 563263985 is 589362365.

563263985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 30162064 + 533101921 = 5492^2 + 23089^2 .

It is a cyclic number.

It is not a de Polignac number, because 563263985 - 2²⁴ = 546486769 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244499 + ... + 246791.

It is an arithmetic number, because the mean of its divisors is an integer number (42905829).

Almost surely, 2^563263985 is an apocalyptic number.

It is an amenable number.

563263985 is a deficient number, since it is larger than the sum of its proper divisors (123229279).

563263985 is a wasteful number, since it uses less digits than its factorization.

563263985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044.

The product of its digits is 1166400, while the sum is 47.

The square root of 563263985 is about 23733.1832041132. The cubic root of 563263985 is about 825.8553650649.

The spelling of 563263985 in words is "five hundred sixty-three million, two hundred sixty-three thousand, nine hundred eighty-five".