195344207 has 2 divisors, whose sum is σ = 195344208. Its totient is φ = 195344206.

The previous prime is 195344197. The next prime is 195344249. The reversal of 195344207 is 702443591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195344207 - 2¹² = 195340111 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195344257) 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, 97672103 + 97672104.

It is an arithmetic number, because the mean of its divisors is an integer number (97672104).

Almost surely, 2^195344207 is an apocalyptic number.

195344207 is a deficient number, since it is larger than the sum of its proper divisors (1).

195344207 is an equidigital number, since it uses as much as digits as its factorization.

195344207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 195344207 is about 13976.5591974563. The cubic root of 195344207 is about 580.2299989523.

Adding to 195344207 its reverse (702443591), we get a palindrome (897787798).

The spelling of 195344207 in words is "one hundred ninety-five million, three hundred forty-four thousand, two hundred seven".