271289093 has 2 divisors, whose sum is σ = 271289094. Its totient is φ = 271289092.

The previous prime is 271289063. The next prime is 271289129. The reversal of 271289093 is 390982172.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167391844 + 103897249 = 12938^2 + 10193^2 .

It is a cyclic number.

It is not a de Polignac number, because 271289093 - 2⁸ = 271288837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 271289093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271289003) 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, 135644546 + 135644547.

It is an arithmetic number, because the mean of its divisors is an integer number (135644547).

Almost surely, 2^271289093 is an apocalyptic number.

It is an amenable number.

271289093 is a deficient number, since it is larger than the sum of its proper divisors (1).

271289093 is an equidigital number, since it uses as much as digits as its factorization.

271289093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 271289093 is about 16470.8558672584. The cubic root of 271289093 is about 647.3573916095.

The spelling of 271289093 in words is "two hundred seventy-one million, two hundred eighty-nine thousand, ninety-three".