195331337 has 2 divisors, whose sum is σ = 195331338. Its totient is φ = 195331336.

The previous prime is 195331319. The next prime is 195331417. The reversal of 195331337 is 733133591.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157151296 + 38180041 = 12536^2 + 6179^2 .

It is a cyclic number.

It is not a de Polignac number, because 195331337 - 2¹² = 195327241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195331297 and 195331306.

It is not a weakly prime, because it can be changed into another prime (195331537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97665668 + 97665669.

It is an arithmetic number, because the mean of its divisors is an integer number (97665669).

Almost surely, 2^195331337 is an apocalyptic number.

It is an amenable number.

195331337 is a deficient number, since it is larger than the sum of its proper divisors (1).

195331337 is an equidigital number, since it uses as much as digits as its factorization.

195331337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25515, while the sum is 35.

The square root of 195331337 is about 13976.0987761249. The cubic root of 195331337 is about 580.2172561052.

The spelling of 195331337 in words is "one hundred ninety-five million, three hundred thirty-one thousand, three hundred thirty-seven".