34191281 has 2 divisors, whose sum is σ = 34191282. Its totient is φ = 34191280.

The previous prime is 34191277. The next prime is 34191323. The reversal of 34191281 is 18219143.

34191281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31181056 + 3010225 = 5584^2 + 1735^2 .

It is a cyclic number.

It is not a de Polignac number, because 34191281 - 2² = 34191277 is a prime.

It is a super-2 number, since 2×34191281² = 2338087392841922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34191221) 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, 17095640 + 17095641.

It is an arithmetic number, because the mean of its divisors is an integer number (17095641).

Almost surely, 2^34191281 is an apocalyptic number.

It is an amenable number.

34191281 is a deficient number, since it is larger than the sum of its proper divisors (1).

34191281 is an equidigital number, since it uses as much as digits as its factorization.

34191281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 34191281 is about 5847.3311005962. The cubic root of 34191281 is about 324.5675700516.

The spelling of 34191281 in words is "thirty-four million, one hundred ninety-one thousand, two hundred eighty-one".