17142173 has 2 divisors, whose sum is σ = 17142174. Its totient is φ = 17142172.

The previous prime is 17142143. The next prime is 17142241. The reversal of 17142173 is 37124171.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16216729 + 925444 = 4027^2 + 962^2 .

It is a cyclic number.

It is not a de Polignac number, because 17142173 - 2⁶ = 17142109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17142113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8571086 + 8571087.

It is an arithmetic number, because the mean of its divisors is an integer number (8571087).

Almost surely, 2^17142173 is an apocalyptic number.

It is an amenable number.

17142173 is a deficient number, since it is larger than the sum of its proper divisors (1).

17142173 is an equidigital number, since it uses as much as digits as its factorization.

17142173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176, while the sum is 26.

The square root of 17142173 is about 4140.3107371307. The cubic root of 17142173 is about 257.8429677589.

The spelling of 17142173 in words is "seventeen million, one hundred forty-two thousand, one hundred seventy-three".