27147151 has 2 divisors, whose sum is σ = 27147152. Its totient is φ = 27147150.

The previous prime is 27147149. The next prime is 27147173. The reversal of 27147151 is 15174172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27147151 - 2¹ = 27147149 is a prime.

Together with 27147149, 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 (27147101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13573575 + 13573576.

It is an arithmetic number, because the mean of its divisors is an integer number (13573576).

Almost surely, 2^27147151 is an apocalyptic number.

27147151 is a deficient number, since it is larger than the sum of its proper divisors (1).

27147151 is an equidigital number, since it uses as much as digits as its factorization.

27147151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1960, while the sum is 28.

The square root of 27147151 is about 5210.2927940760. The cubic root of 27147151 is about 300.5440165939.

The spelling of 27147151 in words is "twenty-seven million, one hundred forty-seven thousand, one hundred fifty-one".