27009841 has 2 divisors, whose sum is σ = 27009842. Its totient is φ = 27009840.

The previous prime is 27009839. The next prime is 27009869. The reversal of 27009841 is 14890072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13905441 + 13104400 = 3729^2 + 3620^2 .

It is a cyclic number.

It is not a de Polignac number, because 27009841 - 2¹ = 27009839 is a prime.

Together with 27009839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27009881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13504920 + 13504921.

It is an arithmetic number, because the mean of its divisors is an integer number (13504921).

Almost surely, 2^27009841 is an apocalyptic number.

It is an amenable number.

27009841 is a deficient number, since it is larger than the sum of its proper divisors (1).

27009841 is an equidigital number, since it uses as much as digits as its factorization.

27009841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 27009841 is about 5197.0992871024. The cubic root of 27009841 is about 300.0364437208.

The spelling of 27009841 in words is "twenty-seven million, nine thousand, eight hundred forty-one".