27114991 has 2 divisors, whose sum is σ = 27114992. Its totient is φ = 27114990.

The previous prime is 27114979. The next prime is 27115003. The reversal of 27114991 is 19941172.

It is a balanced prime because it is at equal distance from previous prime (27114979) and next prime (27115003).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27114991 is a prime.

It is equal to p_1689802 and since 27114991 and 1689802 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27114091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13557495 + 13557496.

It is an arithmetic number, because the mean of its divisors is an integer number (13557496).

Almost surely, 2^27114991 is an apocalyptic number.

27114991 is a deficient number, since it is larger than the sum of its proper divisors (1).

27114991 is an equidigital number, since it uses as much as digits as its factorization.

27114991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 34.

The square root of 27114991 is about 5207.2056805930. The cubic root of 27114991 is about 300.4252894041.

The spelling of 27114991 in words is "twenty-seven million, one hundred fourteen thousand, nine hundred ninety-one".