27052691 has 2 divisors, whose sum is σ = 27052692. Its totient is φ = 27052690.

The previous prime is 27052687. The next prime is 27052709. The reversal of 27052691 is 19625072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27052691 - 2² = 27052687 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27052391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13526345 + 13526346.

It is an arithmetic number, because the mean of its divisors is an integer number (13526346).

Almost surely, 2^27052691 is an apocalyptic number.

27052691 is a deficient number, since it is larger than the sum of its proper divisors (1).

27052691 is an equidigital number, since it uses as much as digits as its factorization.

27052691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 27052691 is about 5201.2201453121. The cubic root of 27052691 is about 300.1950250418.

The spelling of 27052691 in words is "twenty-seven million, fifty-two thousand, six hundred ninety-one".