195297967 has 2 divisors, whose sum is σ = 195297968. Its totient is φ = 195297966.

The previous prime is 195297953. The next prime is 195297997. The reversal of 195297967 is 769792591.

It is a weak prime.

It is an emirp because it is prime and its reverse (769792591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195297967 - 2¹⁹ = 194773679 is a prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 195297967 parts by 19763 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195297917) 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, 97648983 + 97648984.

It is an arithmetic number, because the mean of its divisors is an integer number (97648984).

Almost surely, 2^195297967 is an apocalyptic number.

195297967 is a deficient number, since it is larger than the sum of its proper divisors (1).

195297967 is an equidigital number, since it uses as much as digits as its factorization.

195297967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2143260, while the sum is 55.

The square root of 195297967 is about 13974.9049012864. The cubic root of 195297967 is about 580.1842131864.

The spelling of 195297967 in words is "one hundred ninety-five million, two hundred ninety-seven thousand, nine hundred sixty-seven".