195853313 has 2 divisors, whose sum is σ = 195853314. Its totient is φ = 195853312.

The previous prime is 195853297. The next prime is 195853337. The reversal of 195853313 is 313358591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127757809 + 68095504 = 11303^2 + 8252^2 .

It is a cyclic number.

It is not a de Polignac number, because 195853313 - 2⁴ = 195853297 is a prime.

It is not a weakly prime, because it can be changed into another prime (195853373) 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, 97926656 + 97926657.

It is an arithmetic number, because the mean of its divisors is an integer number (97926657).

Almost surely, 2^195853313 is an apocalyptic number.

It is an amenable number.

195853313 is a deficient number, since it is larger than the sum of its proper divisors (1).

195853313 is an equidigital number, since it uses as much as digits as its factorization.

195853313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 38.

The square root of 195853313 is about 13994.7601980170. The cubic root of 195853313 is about 580.7336267567.

The spelling of 195853313 in words is "one hundred ninety-five million, eight hundred fifty-three thousand, three hundred thirteen".