17157983 has 2 divisors, whose sum is σ = 17157984. Its totient is φ = 17157982.

The previous prime is 17157953. The next prime is 17157991. The reversal of 17157983 is 38975171.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17157983 - 2⁸ = 17157727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17157983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17157953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8578991 + 8578992.

It is an arithmetic number, because the mean of its divisors is an integer number (8578992).

Almost surely, 2^17157983 is an apocalyptic number.

17157983 is a deficient number, since it is larger than the sum of its proper divisors (1).

17157983 is an equidigital number, since it uses as much as digits as its factorization.

17157983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 41.

The square root of 17157983 is about 4142.2195740931. The cubic root of 17157983 is about 257.9222117911.

The spelling of 17157983 in words is "seventeen million, one hundred fifty-seven thousand, nine hundred eighty-three".