34251689 has 2 divisors, whose sum is σ = 34251690. Its totient is φ = 34251688.

The previous prime is 34251649. The next prime is 34251703. The reversal of 34251689 is 98615243.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25928464 + 8323225 = 5092^2 + 2885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34251689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34251619) 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, 17125844 + 17125845.

It is an arithmetic number, because the mean of its divisors is an integer number (17125845).

Almost surely, 2^34251689 is an apocalyptic number.

It is an amenable number.

34251689 is a deficient number, since it is larger than the sum of its proper divisors (1).

34251689 is an equidigital number, since it uses as much as digits as its factorization.

34251689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 34251689 is about 5852.4942545892. The cubic root of 34251689 is about 324.7586025978.

The spelling of 34251689 in words is "thirty-four million, two hundred fifty-one thousand, six hundred eighty-nine".