195406301 has 2 divisors, whose sum is σ = 195406302. Its totient is φ = 195406300.

The previous prime is 195406249. The next prime is 195406331. The reversal of 195406301 is 103604591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180768025 + 14638276 = 13445^2 + 3826^2 .

It is a cyclic number.

It is not a de Polignac number, because 195406301 - 2¹⁴ = 195389917 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (195406331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97703150 + 97703151.

It is an arithmetic number, because the mean of its divisors is an integer number (97703151).

Almost surely, 2^195406301 is an apocalyptic number.

It is an amenable number.

195406301 is a deficient number, since it is larger than the sum of its proper divisors (1).

195406301 is an equidigital number, since it uses as much as digits as its factorization.

195406301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 195406301 is about 13978.7803831379. The cubic root of 195406301 is about 580.2914716135.

The spelling of 195406301 in words is "one hundred ninety-five million, four hundred six thousand, three hundred one".