16497193 has 2 divisors, whose sum is σ = 16497194. Its totient is φ = 16497192.

The previous prime is 16497179. The next prime is 16497241. The reversal of 16497193 is 39179461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16386304 + 110889 = 4048^2 + 333^2 .

It is an emirp because it is prime and its reverse (39179461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16497193 is a prime.

It is not a weakly prime, because it can be changed into another prime (16497113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8248596 + 8248597.

It is an arithmetic number, because the mean of its divisors is an integer number (8248597).

Almost surely, 2^16497193 is an apocalyptic number.

It is an amenable number.

16497193 is a deficient number, since it is larger than the sum of its proper divisors (1).

16497193 is an equidigital number, since it uses as much as digits as its factorization.

16497193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 40.

The square root of 16497193 is about 4061.6736698066. The cubic root of 16497193 is about 254.5677310552.

The spelling of 16497193 in words is "sixteen million, four hundred ninety-seven thousand, one hundred ninety-three".