34154891 has 2 divisors, whose sum is σ = 34154892. Its totient is φ = 34154890.

The previous prime is 34154849. The next prime is 34154893. The reversal of 34154891 is 19845143.

It is a strong prime.

It is an emirp because it is prime and its reverse (19845143) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34154891 is a prime.

Together with 34154893, 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 (34154893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17077445 + 17077446.

It is an arithmetic number, because the mean of its divisors is an integer number (17077446).

Almost surely, 2^34154891 is an apocalyptic number.

34154891 is a deficient number, since it is larger than the sum of its proper divisors (1).

34154891 is an equidigital number, since it uses as much as digits as its factorization.

34154891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 34154891 is about 5844.2185961855. The cubic root of 34154891 is about 324.4523827271.

The spelling of 34154891 in words is "thirty-four million, one hundred fifty-four thousand, eight hundred ninety-one".