34686161 has 2 divisors, whose sum is σ = 34686162. Its totient is φ = 34686160.

The previous prime is 34686151. The next prime is 34686187. The reversal of 34686161 is 16168643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17380561 + 17305600 = 4169^2 + 4160^2 .

It is an emirp because it is prime and its reverse (16168643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34686161 - 2⁶ = 34686097 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (34686121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17343080 + 17343081.

It is an arithmetic number, because the mean of its divisors is an integer number (17343081).

Almost surely, 2^34686161 is an apocalyptic number.

It is an amenable number.

34686161 is a deficient number, since it is larger than the sum of its proper divisors (1).

34686161 is an equidigital number, since it uses as much as digits as its factorization.

34686161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 34686161 is about 5889.4958188286. The cubic root of 34686161 is about 326.1259910468.

The spelling of 34686161 in words is "thirty-four million, six hundred eighty-six thousand, one hundred sixty-one".