2875881 has 4 divisors (see below), whose sum is σ = 3834512. Its totient is φ = 1917252.

The previous prime is 2875871. The next prime is 2875903. The reversal of 2875881 is 1885782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2875881 - 2⁷ = 2875753 is a prime.

It is a super-2 number, since 2×2875881² = 16541383052322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2875811) 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 3 ways as a sum of consecutive naturals, for example, 479311 + ... + 479316.

It is an arithmetic number, because the mean of its divisors is an integer number (958628).

2^2875881 is an apocalyptic number.

It is an amenable number.

2875881 is a deficient number, since it is larger than the sum of its proper divisors (958631).

2875881 is an equidigital number, since it uses as much as digits as its factorization.

2875881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958630.

The product of its digits is 35840, while the sum is 39.

The square root of 2875881 is about 1695.8422686087. The cubic root of 2875881 is about 142.2078718386.

Subtracting from 2875881 its reverse (1885782), we obtain a palindrome (990099).

The spelling of 2875881 in words is "two million, eight hundred seventy-five thousand, eight hundred eighty-one".