195985733 has 2 divisors, whose sum is σ = 195985734. Its totient is φ = 195985732.

The previous prime is 195985721. The next prime is 195985793. The reversal of 195985733 is 337589591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139405249 + 56580484 = 11807^2 + 7522^2 .

It is a cyclic number.

It is not a de Polignac number, because 195985733 - 2⁴ = 195985717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195985793) 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, 97992866 + 97992867.

It is an arithmetic number, because the mean of its divisors is an integer number (97992867).

Almost surely, 2^195985733 is an apocalyptic number.

It is an amenable number.

195985733 is a deficient number, since it is larger than the sum of its proper divisors (1).

195985733 is an equidigital number, since it uses as much as digits as its factorization.

195985733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1020600, while the sum is 50.

The square root of 195985733 is about 13999.4904550130. The cubic root of 195985733 is about 580.8644788059.

The spelling of 195985733 in words is "one hundred ninety-five million, nine hundred eighty-five thousand, seven hundred thirty-three".