34351243 has 4 divisors (see below), whose sum is σ = 34602120. Its totient is φ = 34100368.

The previous prime is 34351217. The next prime is 34351249. The reversal of 34351243 is 34215343.

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 34351243 - 2¹⁷ = 34220171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34351249) 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, 125233 + ... + 125506.

It is an arithmetic number, because the mean of its divisors is an integer number (8650530).

Almost surely, 2^34351243 is an apocalyptic number.

34351243 is a deficient number, since it is larger than the sum of its proper divisors (250877).

34351243 is a wasteful number, since it uses less digits than its factorization.

34351243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250876.

The product of its digits is 4320, while the sum is 25.

The square root of 34351243 is about 5860.9933458416. The cubic root of 34351243 is about 325.0729398419.

Adding to 34351243 its reverse (34215343), we get a palindrome (68566586).

The spelling of 34351243 in words is "thirty-four million, three hundred fifty-one thousand, two hundred forty-three".