195611233 has 2 divisors, whose sum is σ = 195611234. Its totient is φ = 195611232.

The previous prime is 195611219. The next prime is 195611243. The reversal of 195611233 is 332116591.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117765904 + 77845329 = 10852^2 + 8823^2 .

It is a cyclic number.

It is not a de Polignac number, because 195611233 - 2¹³ = 195603041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195611195 and 195611204.

It is not a weakly prime, because it can be changed into another prime (195611243) 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, 97805616 + 97805617.

It is an arithmetic number, because the mean of its divisors is an integer number (97805617).

Almost surely, 2^195611233 is an apocalyptic number.

It is an amenable number.

195611233 is a deficient number, since it is larger than the sum of its proper divisors (1).

195611233 is an equidigital number, since it uses as much as digits as its factorization.

195611233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 31.

The square root of 195611233 is about 13986.1085724372. The cubic root of 195611233 is about 580.4942606109.

The spelling of 195611233 in words is "one hundred ninety-five million, six hundred eleven thousand, two hundred thirty-three".