193482209 has 2 divisors, whose sum is σ = 193482210. Its totient is φ = 193482208.

The previous prime is 193482199. The next prime is 193482217. The reversal of 193482209 is 902284391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162435025 + 31047184 = 12745^2 + 5572^2 .

It is a cyclic number.

It is not a de Polignac number, because 193482209 - 2¹⁶ = 193416673 is a prime.

It is not a weakly prime, because it can be changed into another prime (193482109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96741104 + 96741105.

It is an arithmetic number, because the mean of its divisors is an integer number (96741105).

Almost surely, 2^193482209 is an apocalyptic number.

It is an amenable number.

193482209 is a deficient number, since it is larger than the sum of its proper divisors (1).

193482209 is an equidigital number, since it uses as much as digits as its factorization.

193482209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 193482209 is about 13909.7882442545. The cubic root of 193482209 is about 578.3805488355.

The spelling of 193482209 in words is "one hundred ninety-three million, four hundred eighty-two thousand, two hundred nine".