34205109 has 4 divisors (see below), whose sum is σ = 45606816. Its totient is φ = 22803404.

The previous prime is 34205089. The next prime is 34205147. The reversal of 34205109 is 90150243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34205109 - 2¹⁷ = 34074037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34205179) 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, 5700849 + ... + 5700854.

It is an arithmetic number, because the mean of its divisors is an integer number (11401704).

Almost surely, 2^34205109 is an apocalyptic number.

It is an amenable number.

34205109 is a deficient number, since it is larger than the sum of its proper divisors (11401707).

34205109 is a wasteful number, since it uses less digits than its factorization.

34205109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401706.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 34205109 is about 5848.5134008567. The cubic root of 34205109 is about 324.6113191724.

The spelling of 34205109 in words is "thirty-four million, two hundred five thousand, one hundred nine".