2881211 has 4 divisors (see below), whose sum is σ = 3050712. Its totient is φ = 2711712.

The previous prime is 2881183. The next prime is 2881243. The reversal of 2881211 is 1121882.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1121882 = 2 ⋅560941.

It is a cyclic number.

It is not a de Polignac number, because 2881211 - 2¹⁰ = 2880187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2881261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84725 + ... + 84758.

It is an arithmetic number, because the mean of its divisors is an integer number (762678).

2^2881211 is an apocalyptic number.

2881211 is a deficient number, since it is larger than the sum of its proper divisors (169501).

2881211 is a wasteful number, since it uses less digits than its factorization.

2881211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169500.

The product of its digits is 256, while the sum is 23.

The square root of 2881211 is about 1697.4130316455. The cubic root of 2881211 is about 142.2956710416.

The spelling of 2881211 in words is "two million, eight hundred eighty-one thousand, two hundred eleven".