194382017 has 2 divisors, whose sum is σ = 194382018. Its totient is φ = 194382016.

The previous prime is 194382011. The next prime is 194382047. The reversal of 194382017 is 710283491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153983281 + 40398736 = 12409^2 + 6356^2 .

It is a cyclic number.

It is not a de Polignac number, because 194382017 - 2⁶ = 194381953 is a prime.

It is a Chen prime.

It is a plaindrome in base 9.

It is not a weakly prime, because it can be changed into another prime (194382011) 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, 97191008 + 97191009.

It is an arithmetic number, because the mean of its divisors is an integer number (97191009).

Almost surely, 2^194382017 is an apocalyptic number.

It is an amenable number.

194382017 is a deficient number, since it is larger than the sum of its proper divisors (1).

194382017 is an equidigital number, since it uses as much as digits as its factorization.

194382017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 194382017 is about 13942.0951438441. The cubic root of 194382017 is about 579.2757676656.

The spelling of 194382017 in words is "one hundred ninety-four million, three hundred eighty-two thousand, seventeen".