27852191 has 2 divisors, whose sum is σ = 27852192. Its totient is φ = 27852190.

The previous prime is 27852179. The next prime is 27852197. The reversal of 27852191 is 19125872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27852191 - 2¹⁰ = 27851167 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27852197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13926095 + 13926096.

It is an arithmetic number, because the mean of its divisors is an integer number (13926096).

Almost surely, 2^27852191 is an apocalyptic number.

27852191 is a deficient number, since it is larger than the sum of its proper divisors (1).

27852191 is an equidigital number, since it uses as much as digits as its factorization.

27852191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 35.

The square root of 27852191 is about 5277.5175035238. The cubic root of 27852191 is about 303.1236266066.

The spelling of 27852191 in words is "twenty-seven million, eight hundred fifty-two thousand, one hundred ninety-one".