195961237 has 2 divisors, whose sum is σ = 195961238. Its totient is φ = 195961236.

The previous prime is 195961229. The next prime is 195961247. The reversal of 195961237 is 732169591.

195961237 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., 166952241 + 29008996 = 12921^2 + 5386^2 .

It is a cyclic number.

It is not a de Polignac number, because 195961237 - 2³ = 195961229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195961193 and 195961202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195961217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97980618 + 97980619.

It is an arithmetic number, because the mean of its divisors is an integer number (97980619).

Almost surely, 2^195961237 is an apocalyptic number.

It is an amenable number.

195961237 is a deficient number, since it is larger than the sum of its proper divisors (1).

195961237 is an equidigital number, since it uses as much as digits as its factorization.

195961237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 43.

The square root of 195961237 is about 13998.6155386881. The cubic root of 195961237 is about 580.8402773008.

The spelling of 195961237 in words is "one hundred ninety-five million, nine hundred sixty-one thousand, two hundred thirty-seven".