34021243 has 4 divisors (see below), whose sum is σ = 34100248. Its totient is φ = 33942240.

The previous prime is 34021231. The next prime is 34021259. The reversal of 34021243 is 34212043.

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 34021243 - 2⁹ = 34020731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34021243.

It is not an unprimeable number, because it can be changed into a prime (34022243) 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, 38853 + ... + 39718.

It is an arithmetic number, because the mean of its divisors is an integer number (8525062).

Almost surely, 2^34021243 is an apocalyptic number.

34021243 is a deficient number, since it is larger than the sum of its proper divisors (79005).

34021243 is an equidigital number, since it uses as much as digits as its factorization.

34021243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79004.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 34021243 is about 5832.7731826293. The cubic root of 34021243 is about 324.0286357610.

Adding to 34021243 its reverse (34212043), we get a palindrome (68233286).

The spelling of 34021243 in words is "thirty-four million, twenty-one thousand, two hundred forty-three".