2871139 has 2 divisors, whose sum is σ = 2871140. Its totient is φ = 2871138.

The previous prime is 2871137. The next prime is 2871173. The reversal of 2871139 is 9311782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2871139 - 2¹ = 2871137 is a prime.

Together with 2871137, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2871139.

It is not a weakly prime, because it can be changed into another prime (2871133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435569 + 1435570.

It is an arithmetic number, because the mean of its divisors is an integer number (1435570).

2^2871139 is an apocalyptic number.

2871139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2871139 is an equidigital number, since it uses as much as digits as its factorization.

2871139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 31.

The square root of 2871139 is about 1694.4435664843. The cubic root of 2871139 is about 142.1296673150.

The spelling of 2871139 in words is "two million, eight hundred seventy-one thousand, one hundred thirty-nine".