8563273 has 2 divisors, whose sum is σ = 8563274. Its totient is φ = 8563272.

The previous prime is 8563271. The next prime is 8563277. The reversal of 8563273 is 3723658.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7033104 + 1530169 = 2652^2 + 1237^2 .

It is a cyclic number.

It is not a de Polignac number, because 8563273 - 2¹ = 8563271 is a prime.

Together with 8563271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8563271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4281636 + 4281637.

It is an arithmetic number, because the mean of its divisors is an integer number (4281637).

Almost surely, 2^8563273 is an apocalyptic number.

It is an amenable number.

8563273 is a deficient number, since it is larger than the sum of its proper divisors (1).

8563273 is an equidigital number, since it uses as much as digits as its factorization.

8563273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 8563273 is about 2926.3070583929. The cubic root of 8563273 is about 204.5878931053.

It can be divided in two parts, 8563 and 273, that added together give a square (8836 = 94²).

The spelling of 8563273 in words is "eight million, five hundred sixty-three thousand, two hundred seventy-three".