27012151 has 2 divisors, whose sum is σ = 27012152. Its totient is φ = 27012150.

The previous prime is 27012149. The next prime is 27012157. The reversal of 27012151 is 15121072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27012151 - 2¹ = 27012149 is a prime.

Together with 27012149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27012157) 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, 13506075 + 13506076.

It is an arithmetic number, because the mean of its divisors is an integer number (13506076).

Almost surely, 2^27012151 is an apocalyptic number.

27012151 is a deficient number, since it is larger than the sum of its proper divisors (1).

27012151 is an equidigital number, since it uses as much as digits as its factorization.

27012151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 27012151 is about 5197.3215217071. The cubic root of 27012151 is about 300.0449969543.

It can be divided in two parts, 270 and 12151, that added together give a palindrome (12421).

The spelling of 27012151 in words is "twenty-seven million, twelve thousand, one hundred fifty-one".