2881065 has 32 divisors (see below), whose sum is σ = 5299200. Its totient is φ = 1321920.

The previous prime is 2881061. The next prime is 2881097. The reversal of 2881065 is 5601882.

2881065 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 2881065 - 2² = 2881061 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2881061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2676 + ... + 3594.

It is an arithmetic number, because the mean of its divisors is an integer number (165600).

2^2881065 is an apocalyptic number.

It is an amenable number.

2881065 is a deficient number, since it is larger than the sum of its proper divisors (2418135).

2881065 is a wasteful number, since it uses less digits than its factorization.

2881065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2881065 is about 1697.3700244790. The cubic root of 2881065 is about 142.2932674784.

The spelling of 2881065 in words is "two million, eight hundred eighty-one thousand, sixty-five".