195353 has 2 divisors, whose sum is σ = 195354. Its totient is φ = 195352.

The previous prime is 195343. The next prime is 195359. The reversal of 195353 is 353591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100489 + 94864 = 317^2 + 308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195353 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195359) 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, 97676 + 97677.

It is an arithmetic number, because the mean of its divisors is an integer number (97677).

2¹⁹⁵³⁵³ is an apocalyptic number.

It is an amenable number.

195353 is a deficient number, since it is larger than the sum of its proper divisors (1).

195353 is an equidigital number, since it uses as much as digits as its factorization.

195353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2025, while the sum is 26.

The square root of 195353 is about 441.9875563859. The cubic root of 195353 is about 58.0238704757.

The spelling of 195353 in words is "one hundred ninety-five thousand, three hundred fifty-three".