271481081 has 2 divisors, whose sum is σ = 271481082. Its totient is φ = 271481080.

The previous prime is 271481069. The next prime is 271481083. The reversal of 271481081 is 180184172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258405625 + 13075456 = 16075^2 + 3616^2 .

It is a cyclic number.

It is not a de Polignac number, because 271481081 - 2¹⁰ = 271480057 is a prime.

It is a super-2 number, since 2×271481081² = 147403954681857122, which contains 22 as substring.

Together with 271481083, 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 (271481083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135740540 + 135740541.

It is an arithmetic number, because the mean of its divisors is an integer number (135740541).

Almost surely, 2^271481081 is an apocalyptic number.

It is an amenable number.

271481081 is a deficient number, since it is larger than the sum of its proper divisors (1).

271481081 is an equidigital number, since it uses as much as digits as its factorization.

271481081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 271481081 is about 16476.6829489433. The cubic root of 271481081 is about 647.5100645912.

The spelling of 271481081 in words is "two hundred seventy-one million, four hundred eighty-one thousand, eighty-one".