34121609 has 2 divisors, whose sum is σ = 34121610. Its totient is φ = 34121608.

The previous prime is 34121599. The next prime is 34121617. The reversal of 34121609 is 90612143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33965584 + 156025 = 5828^2 + 395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34121609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34121639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17060804 + 17060805.

It is an arithmetic number, because the mean of its divisors is an integer number (17060805).

Almost surely, 2^34121609 is an apocalyptic number.

It is an amenable number.

34121609 is a deficient number, since it is larger than the sum of its proper divisors (1).

34121609 is an equidigital number, since it uses as much as digits as its factorization.

34121609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 34121609 is about 5841.3704727572. The cubic root of 34121609 is about 324.3469616755.

The spelling of 34121609 in words is "thirty-four million, one hundred twenty-one thousand, six hundred nine".