17315983 has 2 divisors, whose sum is σ = 17315984. Its totient is φ = 17315982.

The previous prime is 17315959. The next prime is 17315989. The reversal of 17315983 is 38951371.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (38951371) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17315983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17315989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8657991 + 8657992.

It is an arithmetic number, because the mean of its divisors is an integer number (8657992).

Almost surely, 2^17315983 is an apocalyptic number.

17315983 is a deficient number, since it is larger than the sum of its proper divisors (1).

17315983 is an equidigital number, since it uses as much as digits as its factorization.

17315983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 37.

The square root of 17315983 is about 4161.2477695999. The cubic root of 17315983 is about 258.7114898307.

The spelling of 17315983 in words is "seventeen million, three hundred fifteen thousand, nine hundred eighty-three".