27000563 has 2 divisors, whose sum is σ = 27000564. Its totient is φ = 27000562.

The previous prime is 27000529. The next prime is 27000569. The reversal of 27000563 is 36500072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27000563 - 2²⁰ = 25951987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (27000569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13500281 + 13500282.

It is an arithmetic number, because the mean of its divisors is an integer number (13500282).

Almost surely, 2^27000563 is an apocalyptic number.

27000563 is a deficient number, since it is larger than the sum of its proper divisors (1).

27000563 is an equidigital number, since it uses as much as digits as its factorization.

27000563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 27000563 is about 5196.2065971245. The cubic root of 27000563 is about 300.0020851707.

The spelling of 27000563 in words is "twenty-seven million, five hundred sixty-three", and thus it is an aban number.