273195313 has 2 divisors, whose sum is σ = 273195314. Its totient is φ = 273195312.

The previous prime is 273195301. The next prime is 273195331. The reversal of 273195313 is 313591372.

273195313 = 11687² + 11688².

It is a happy number.

Together with next prime (273195331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136609344 + 136585969 = 11688^2 + 11687^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273195313 is a prime.

It is not a weakly prime, because it can be changed into another prime (273195353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136597656 + 136597657.

It is an arithmetic number, because the mean of its divisors is an integer number (136597657).

Almost surely, 2^273195313 is an apocalyptic number.

273195313 is the 11688-th centered square number.

It is an amenable number.

273195313 is a deficient number, since it is larger than the sum of its proper divisors (1).

273195313 is an equidigital number, since it uses as much as digits as its factorization.

273195313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 34.

The square root of 273195313 is about 16528.6210253608. The cubic root of 273195313 is about 648.8700787650.

The spelling of 273195313 in words is "two hundred seventy-three million, one hundred ninety-five thousand, three hundred thirteen".