195469273 has 2 divisors, whose sum is σ = 195469274. Its totient is φ = 195469272.

The previous prime is 195469237. The next prime is 195469289. The reversal of 195469273 is 372964591.

It is a happy number.

Together with previous prime (195469237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174556944 + 20912329 = 13212^2 + 4573^2 .

It is a cyclic number.

It is not a de Polignac number, because 195469273 - 2⁹ = 195468761 is a prime.

It is not a weakly prime, because it can be changed into another prime (195469223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97734636 + 97734637.

It is an arithmetic number, because the mean of its divisors is an integer number (97734637).

Almost surely, 2^195469273 is an apocalyptic number.

It is an amenable number.

195469273 is a deficient number, since it is larger than the sum of its proper divisors (1).

195469273 is an equidigital number, since it uses as much as digits as its factorization.

195469273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The square root of 195469273 is about 13981.0326156547. The cubic root of 195469273 is about 580.3538001902.

The spelling of 195469273 in words is "one hundred ninety-five million, four hundred sixty-nine thousand, two hundred seventy-three".