34518161 has 2 divisors, whose sum is σ = 34518162. Its totient is φ = 34518160.

The previous prime is 34518157. The next prime is 34518167. The reversal of 34518161 is 16181543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32433025 + 2085136 = 5695^2 + 1444^2 .

It is a cyclic number.

It is not a de Polignac number, because 34518161 - 2² = 34518157 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34518167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17259080 + 17259081.

It is an arithmetic number, because the mean of its divisors is an integer number (17259081).

Almost surely, 2^34518161 is an apocalyptic number.

It is an amenable number.

34518161 is a deficient number, since it is larger than the sum of its proper divisors (1).

34518161 is an equidigital number, since it uses as much as digits as its factorization.

34518161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 29.

The square root of 34518161 is about 5875.2158258229. The cubic root of 34518161 is about 325.5986158676.

The spelling of 34518161 in words is "thirty-four million, five hundred eighteen thousand, one hundred sixty-one".