34243109 has 2 divisors, whose sum is σ = 34243110. Its totient is φ = 34243108.

The previous prime is 34243091. The next prime is 34243123. The reversal of 34243109 is 90134243.

Together with previous prime (34243091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30283009 + 3960100 = 5503^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 34243109 - 2¹² = 34239013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34243169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17121554 + 17121555.

It is an arithmetic number, because the mean of its divisors is an integer number (17121555).

Almost surely, 2^34243109 is an apocalyptic number.

It is an amenable number.

34243109 is a deficient number, since it is larger than the sum of its proper divisors (1).

34243109 is an equidigital number, since it uses as much as digits as its factorization.

34243109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 34243109 is about 5851.7611878818. The cubic root of 34243109 is about 324.7314831419.

The spelling of 34243109 in words is "thirty-four million, two hundred forty-three thousand, one hundred nine".