2881271 has 2 divisors, whose sum is σ = 2881272. Its totient is φ = 2881270.

The previous prime is 2881267. The next prime is 2881273. The reversal of 2881271 is 1721882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2881271 - 2² = 2881267 is a prime.

Together with 2881273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2881273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440635 + 1440636.

It is an arithmetic number, because the mean of its divisors is an integer number (1440636).

2^2881271 is an apocalyptic number.

2881271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2881271 is an equidigital number, since it uses as much as digits as its factorization.

2881271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1792, while the sum is 29.

The square root of 2881271 is about 1697.4307055076. The cubic root of 2881271 is about 142.2966587838.

The spelling of 2881271 in words is "two million, eight hundred eighty-one thousand, two hundred seventy-one".