195303061 has 2 divisors, whose sum is σ = 195303062. Its totient is φ = 195303060.

The previous prime is 195303047. The next prime is 195303107. The reversal of 195303061 is 160303591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193071025 + 2232036 = 13895^2 + 1494^2 .

It is a cyclic number.

It is not a de Polignac number, because 195303061 - 2¹¹ = 195301013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195303041) 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, 97651530 + 97651531.

It is an arithmetic number, because the mean of its divisors is an integer number (97651531).

Almost surely, 2^195303061 is an apocalyptic number.

It is an amenable number.

195303061 is a deficient number, since it is larger than the sum of its proper divisors (1).

195303061 is an equidigital number, since it uses as much as digits as its factorization.

195303061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 195303061 is about 13975.0871553633. The cubic root of 195303061 is about 580.1892575002.

The spelling of 195303061 in words is "one hundred ninety-five million, three hundred three thousand, sixty-one".