34171243 has 4 divisors (see below), whose sum is σ = 34199280. Its totient is φ = 34143208.

The previous prime is 34171201. The next prime is 34171259. The reversal of 34171243 is 34217143.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34171243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34174243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12103 + ... + 14656.

It is an arithmetic number, because the mean of its divisors is an integer number (8549820).

Almost surely, 2^34171243 is an apocalyptic number.

34171243 is a deficient number, since it is larger than the sum of its proper divisors (28037).

34171243 is a wasteful number, since it uses less digits than its factorization.

34171243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28036.

The product of its digits is 2016, while the sum is 25.

The square root of 34171243 is about 5845.6174182031. The cubic root of 34171243 is about 324.5041527543.

Adding to 34171243 its reverse (34217143), we get a palindrome (68388386).

The spelling of 34171243 in words is "thirty-four million, one hundred seventy-one thousand, two hundred forty-three".