271328009 has 2 divisors, whose sum is σ = 271328010. Its totient is φ = 271328008.

The previous prime is 271327963. The next prime is 271328011. The reversal of 271328009 is 900823172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271326784 + 1225 = 16472^2 + 35^2 .

It is a cyclic number.

It is not a de Polignac number, because 271328009 - 2¹⁶ = 271262473 is a prime.

Together with 271328011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (271328069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135664004 + 135664005.

It is an arithmetic number, because the mean of its divisors is an integer number (135664005).

Almost surely, 2^271328009 is an apocalyptic number.

It is an amenable number.

271328009 is a deficient number, since it is larger than the sum of its proper divisors (1).

271328009 is an equidigital number, since it uses as much as digits as its factorization.

271328009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 271328009 is about 16472.0371842708. The cubic root of 271328009 is about 647.3883442678.

The spelling of 271328009 in words is "two hundred seventy-one million, three hundred twenty-eight thousand, nine".