16234217 has 2 divisors, whose sum is σ = 16234218. Its totient is φ = 16234216.

The previous prime is 16234123. The next prime is 16234259. The reversal of 16234217 is 71243261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15452761 + 781456 = 3931^2 + 884^2 .

It is an emirp because it is prime and its reverse (71243261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16234217 - 2¹⁴ = 16217833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16230217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8117108 + 8117109.

It is an arithmetic number, because the mean of its divisors is an integer number (8117109).

Almost surely, 2^16234217 is an apocalyptic number.

It is an amenable number.

16234217 is a deficient number, since it is larger than the sum of its proper divisors (1).

16234217 is an equidigital number, since it uses as much as digits as its factorization.

16234217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 16234217 is about 4029.1707583571. The cubic root of 16234217 is about 253.2078208283.

Adding to 16234217 its reverse (71243261), we get a palindrome (87477478).

The spelling of 16234217 in words is "sixteen million, two hundred thirty-four thousand, two hundred seventeen".