198001333 has 2 divisors, whose sum is σ = 198001334. Its totient is φ = 198001332.

The previous prime is 198001313. The next prime is 198001343. The reversal of 198001333 is 333100891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171034084 + 26967249 = 13078^2 + 5193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198001333 is a prime.

It is a super-3 number, since 3×198001333³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198001313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99000666 + 99000667.

It is an arithmetic number, because the mean of its divisors is an integer number (99000667).

Almost surely, 2^198001333 is an apocalyptic number.

It is an amenable number.

198001333 is a deficient number, since it is larger than the sum of its proper divisors (1).

198001333 is an equidigital number, since it uses as much as digits as its factorization.

198001333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 198001333 is about 14071.2946454831. The cubic root of 198001333 is about 582.8489762952.

The spelling of 198001333 in words is "one hundred ninety-eight million, one thousand, three hundred thirty-three".