34251643 has 4 divisors (see below), whose sum is σ = 34394008. Its totient is φ = 34109280.

The previous prime is 34251641. The next prime is 34251649. The reversal of 34251643 is 34615243.

34251643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34251643 - 2¹ = 34251641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34251641) 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 in 3 ways as a sum of consecutive naturals, for example, 70821 + ... + 71302.

It is an arithmetic number, because the mean of its divisors is an integer number (8598502).

Almost surely, 2^34251643 is an apocalyptic number.

34251643 is a deficient number, since it is larger than the sum of its proper divisors (142365).

34251643 is a wasteful number, since it uses less digits than its factorization.

34251643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142364.

The product of its digits is 8640, while the sum is 28.

The square root of 34251643 is about 5852.4903246396. The cubic root of 34251643 is about 324.7584572142.

Adding to 34251643 its reverse (34615243), we get a palindrome (68866886).

The spelling of 34251643 in words is "thirty-four million, two hundred fifty-one thousand, six hundred forty-three".