16319417 has 2 divisors, whose sum is σ = 16319418. Its totient is φ = 16319416.

The previous prime is 16319411. The next prime is 16319419. The reversal of 16319417 is 71491361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9024016 + 7295401 = 3004^2 + 2701^2 .

It is an emirp because it is prime and its reverse (71491361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16319417 - 2⁸ = 16319161 is a prime.

Together with 16319419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16319411) 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, 8159708 + 8159709.

It is an arithmetic number, because the mean of its divisors is an integer number (8159709).

Almost surely, 2^16319417 is an apocalyptic number.

It is an amenable number.

16319417 is a deficient number, since it is larger than the sum of its proper divisors (1).

16319417 is an equidigital number, since it uses as much as digits as its factorization.

16319417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 32.

The square root of 16319417 is about 4039.7298176982. The cubic root of 16319417 is about 253.6500077604.

The spelling of 16319417 in words is "sixteen million, three hundred nineteen thousand, four hundred seventeen".