27168013 has 2 divisors, whose sum is σ = 27168014. Its totient is φ = 27168012.

The previous prime is 27168007. The next prime is 27168017. The reversal of 27168013 is 31086172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20629764 + 6538249 = 4542^2 + 2557^2 .

It is a cyclic number.

It is not a de Polignac number, because 27168013 - 2¹⁷ = 27036941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27168017) 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, 13584006 + 13584007.

It is an arithmetic number, because the mean of its divisors is an integer number (13584007).

Almost surely, 2^27168013 is an apocalyptic number.

It is an amenable number.

27168013 is a deficient number, since it is larger than the sum of its proper divisors (1).

27168013 is an equidigital number, since it uses as much as digits as its factorization.

27168013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 27168013 is about 5212.2944084155. The cubic root of 27168013 is about 300.6209840794.

The spelling of 27168013 in words is "twenty-seven million, one hundred sixty-eight thousand, thirteen".