271241161 has 2 divisors, whose sum is σ = 271241162. Its totient is φ = 271241160.

The previous prime is 271241153. The next prime is 271241213. The reversal of 271241161 is 161142172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215649225 + 55591936 = 14685^2 + 7456^2 .

It is a cyclic number.

It is not a de Polignac number, because 271241161 - 2³ = 271241153 is a prime.

It is not a weakly prime, because it can be changed into another prime (271241101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135620580 + 135620581.

It is an arithmetic number, because the mean of its divisors is an integer number (135620581).

Almost surely, 2^271241161 is an apocalyptic number.

It is an amenable number.

271241161 is a deficient number, since it is larger than the sum of its proper divisors (1).

271241161 is an equidigital number, since it uses as much as digits as its factorization.

271241161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 25.

The square root of 271241161 is about 16469.4007480539. The cubic root of 271241161 is about 647.3192638178.

The spelling of 271241161 in words is "two hundred seventy-one million, two hundred forty-one thousand, one hundred sixty-one".