16327417 has 2 divisors, whose sum is σ = 16327418. Its totient is φ = 16327416.

The previous prime is 16327393. The next prime is 16327427. The reversal of 16327417 is 71472361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12559936 + 3767481 = 3544^2 + 1941^2 .

It is an emirp because it is prime and its reverse (71472361) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16327417 is a prime.

It is not a weakly prime, because it can be changed into another prime (16327427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8163708 + 8163709.

It is an arithmetic number, because the mean of its divisors is an integer number (8163709).

Almost surely, 2^16327417 is an apocalyptic number.

It is an amenable number.

16327417 is a deficient number, since it is larger than the sum of its proper divisors (1).

16327417 is an equidigital number, since it uses as much as digits as its factorization.

16327417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 31.

The square root of 16327417 is about 4040.7198616088. The cubic root of 16327417 is about 253.6914485499.

Adding to 16327417 its reverse (71472361), we get a palindrome (87799778).

The spelling of 16327417 in words is "sixteen million, three hundred twenty-seven thousand, four hundred seventeen".