347436161 has 2 divisors, whose sum is σ = 347436162. Its totient is φ = 347436160.

The previous prime is 347436149. The next prime is 347436181. The reversal of 347436161 is 161634743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331786225 + 15649936 = 18215^2 + 3956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347436161 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (347436101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173718080 + 173718081.

It is an arithmetic number, because the mean of its divisors is an integer number (173718081).

Almost surely, 2^347436161 is an apocalyptic number.

It is an amenable number.

347436161 is a deficient number, since it is larger than the sum of its proper divisors (1).

347436161 is an equidigital number, since it uses as much as digits as its factorization.

347436161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 347436161 is about 18639.6395083167. The cubic root of 347436161 is about 703.0048791434.

It can be divided in two parts, 34743 and 6161, that added together give a palindrome (40904).

The spelling of 347436161 in words is "three hundred forty-seven million, four hundred thirty-six thousand, one hundred sixty-one".