34245109 has 2 divisors, whose sum is σ = 34245110. Its totient is φ = 34245108.

The previous prime is 34245097. The next prime is 34245149. The reversal of 34245109 is 90154243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20160100 + 14085009 = 4490^2 + 3753^2 .

It is a cyclic number.

It is not a de Polignac number, because 34245109 - 2⁹ = 34244597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34245149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17122554 + 17122555.

It is an arithmetic number, because the mean of its divisors is an integer number (17122555).

Almost surely, 2^34245109 is an apocalyptic number.

It is an amenable number.

34245109 is a deficient number, since it is larger than the sum of its proper divisors (1).

34245109 is an equidigital number, since it uses as much as digits as its factorization.

34245109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 34245109 is about 5851.9320741102. The cubic root of 34245109 is about 324.7378050983.

It can be divided in two parts, 342 and 45109, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 34245109 in words is "thirty-four million, two hundred forty-five thousand, one hundred nine".