34112891 has 2 divisors, whose sum is σ = 34112892. Its totient is φ = 34112890.

The previous prime is 34112843. The next prime is 34112893. The reversal of 34112891 is 19821143.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34112891 is a prime.

It is a Sophie Germain prime.

Together with 34112893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34112893) 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, 17056445 + 17056446.

It is an arithmetic number, because the mean of its divisors is an integer number (17056446).

Almost surely, 2^34112891 is an apocalyptic number.

34112891 is a deficient number, since it is larger than the sum of its proper divisors (1).

34112891 is an equidigital number, since it uses as much as digits as its factorization.

34112891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 34112891 is about 5840.6241960941. The cubic root of 34112891 is about 324.3193359983.

The spelling of 34112891 in words is "thirty-four million, one hundred twelve thousand, eight hundred ninety-one".