27081371 has 2 divisors, whose sum is σ = 27081372. Its totient is φ = 27081370.

The previous prime is 27081367. The next prime is 27081407. The reversal of 27081371 is 17318072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27081371 - 2² = 27081367 is a prime.

It is not a weakly prime, because it can be changed into another prime (27081671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13540685 + 13540686.

It is an arithmetic number, because the mean of its divisors is an integer number (13540686).

Almost surely, 2^27081371 is an apocalyptic number.

27081371 is a deficient number, since it is larger than the sum of its proper divisors (1).

27081371 is an equidigital number, since it uses as much as digits as its factorization.

27081371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 27081371 is about 5203.9764603618. The cubic root of 27081371 is about 300.3010718255.

The spelling of 27081371 in words is "twenty-seven million, eighty-one thousand, three hundred seventy-one".