27052709 has 2 divisors, whose sum is σ = 27052710. Its totient is φ = 27052708.

The previous prime is 27052691. The next prime is 27052717. The reversal of 27052709 is 90725072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14250625 + 12802084 = 3775^2 + 3578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27052709 is a prime.

It is a Chen prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27052309) 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, 13526354 + 13526355.

It is an arithmetic number, because the mean of its divisors is an integer number (13526355).

Almost surely, 2^27052709 is an apocalyptic number.

It is an amenable number.

27052709 is a deficient number, since it is larger than the sum of its proper divisors (1).

27052709 is an equidigital number, since it uses as much as digits as its factorization.

27052709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 27052709 is about 5201.2218756750. The cubic root of 27052709 is about 300.1950916219.

The spelling of 27052709 in words is "twenty-seven million, fifty-two thousand, seven hundred nine".