199505233 has 2 divisors, whose sum is σ = 199505234. Its totient is φ = 199505232.

The previous prime is 199505231. The next prime is 199505269. The reversal of 199505233 is 332505991.

199505233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189117504 + 10387729 = 13752^2 + 3223^2 .

It is a cyclic number.

It is not a de Polignac number, because 199505233 - 2¹ = 199505231 is a prime.

Together with 199505231, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 199505192 and 199505201.

It is not a weakly prime, because it can be changed into another prime (199505231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99752616 + 99752617.

It is an arithmetic number, because the mean of its divisors is an integer number (99752617).

Almost surely, 2^199505233 is an apocalyptic number.

It is an amenable number.

199505233 is a deficient number, since it is larger than the sum of its proper divisors (1).

199505233 is an equidigital number, since it uses as much as digits as its factorization.

199505233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 199505233 is about 14124.6321368027. The cubic root of 199505233 is about 584.3209136098.

The spelling of 199505233 in words is "one hundred ninety-nine million, five hundred five thousand, two hundred thirty-three".