194730233 has 2 divisors, whose sum is σ = 194730234. Its totient is φ = 194730232.

The previous prime is 194730229. The next prime is 194730241. The reversal of 194730233 is 332037491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112954384 + 81775849 = 10628^2 + 9043^2 .

It is a cyclic number.

It is not a de Polignac number, because 194730233 - 2² = 194730229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194730233.

It is not a weakly prime, because it can be changed into another prime (194730203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97365116 + 97365117.

It is an arithmetic number, because the mean of its divisors is an integer number (97365117).

Almost surely, 2^194730233 is an apocalyptic number.

It is an amenable number.

194730233 is a deficient number, since it is larger than the sum of its proper divisors (1).

194730233 is an equidigital number, since it uses as much as digits as its factorization.

194730233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 194730233 is about 13954.5774927083. The cubic root of 194730233 is about 579.6214662440.

The spelling of 194730233 in words is "one hundred ninety-four million, seven hundred thirty thousand, two hundred thirty-three".