2830871 has 2 divisors, whose sum is σ = 2830872. Its totient is φ = 2830870.

The previous prime is 2830859. The next prime is 2830873. The reversal of 2830871 is 1780382.

2830871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2830871 is a prime.

It is a Sophie Germain prime.

Together with 2830873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2830873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1415435 + 1415436.

It is an arithmetic number, because the mean of its divisors is an integer number (1415436).

2^2830871 is an apocalyptic number.

2830871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2830871 is an equidigital number, since it uses as much as digits as its factorization.

2830871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 2830871 is about 1682.5192420891. The cubic root of 2830871 is about 141.4620757660.

The spelling of 2830871 in words is "two million, eight hundred thirty thousand, eight hundred seventy-one".