34015991 has 2 divisors, whose sum is σ = 34015992. Its totient is φ = 34015990.

The previous prime is 34015951. The next prime is 34016027. The reversal of 34015991 is 19951043.

34015991 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 not a de Polignac number, because 34015991 - 2¹⁸ = 33753847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34015931) 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 as a sum of consecutive naturals, namely, 17007995 + 17007996.

It is an arithmetic number, because the mean of its divisors is an integer number (17007996).

Almost surely, 2^34015991 is an apocalyptic number.

34015991 is a deficient number, since it is larger than the sum of its proper divisors (1).

34015991 is an equidigital number, since it uses as much as digits as its factorization.

34015991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 34015991 is about 5832.3229505918. The cubic root of 34015991 is about 324.0119610226.

The spelling of 34015991 in words is "thirty-four million, fifteen thousand, nine hundred ninety-one".