2981271 has 16 divisors (see below), whose sum is σ = 4221440. Its totient is φ = 1866240.

The previous prime is 2981263. The next prime is 2981311. The reversal of 2981271 is 1721892.

It is not a de Polignac number, because 2981271 - 2³ = 2981263 is a prime.

It is a Duffinian number.

2981271 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10866 + ... + 11136.

It is an arithmetic number, because the mean of its divisors is an integer number (263840).

2^2981271 is an apocalyptic number.

2981271 is a deficient number, since it is larger than the sum of its proper divisors (1240169).

2981271 is a wasteful number, since it uses less digits than its factorization.

2981271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its digits is 2016, while the sum is 30.

The square root of 2981271 is about 1726.6357461839. The cubic root of 2981271 is about 143.9241981449.

The spelling of 2981271 in words is "two million, nine hundred eighty-one thousand, two hundred seventy-one".