27090563 has 2 divisors, whose sum is σ = 27090564. Its totient is φ = 27090562.

The previous prime is 27090551. The next prime is 27090587. The reversal of 27090563 is 36509072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27090563 - 2⁸ = 27090307 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (27090863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13545281 + 13545282.

It is an arithmetic number, because the mean of its divisors is an integer number (13545282).

Almost surely, 2^27090563 is an apocalyptic number.

27090563 is a deficient number, since it is larger than the sum of its proper divisors (1).

27090563 is an equidigital number, since it uses as much as digits as its factorization.

27090563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 27090563 is about 5204.8595562224. The cubic root of 27090563 is about 300.3350441972.

The spelling of 27090563 in words is "twenty-seven million, ninety thousand, five hundred sixty-three".