563163273 has 20 divisors (see below), whose sum is σ = 864010180. Its totient is φ = 365293152.

The previous prime is 563163193. The next prime is 563163277. The reversal of 563163273 is 372361365.

It can be written as a sum of positive squares in 2 ways, for example, as 196364169 + 366799104 = 14013^2 + 19152^2 .

It is not a de Polignac number, because 563163273 - 2²⁵ = 529608841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (563163277) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 90958 + ... + 96951.

It is an arithmetic number, because the mean of its divisors is an integer number (43200509).

Almost surely, 2^563163273 is an apocalyptic number.

It is an amenable number.

563163273 is a deficient number, since it is larger than the sum of its proper divisors (300846907).

563163273 is a wasteful number, since it uses less digits than its factorization.

563163273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187958 (or 187949 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 563163273 is about 23731.0613542673. The cubic root of 563163273 is about 825.8061409560.

The spelling of 563163273 in words is "five hundred sixty-three million, one hundred sixty-three thousand, two hundred seventy-three".