273945241 has 2 divisors, whose sum is σ = 273945242. Its totient is φ = 273945240.

The previous prime is 273945239. The next prime is 273945247. The reversal of 273945241 is 142549372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195888016 + 78057225 = 13996^2 + 8835^2 .

It is a cyclic number.

It is not a de Polignac number, because 273945241 - 2¹ = 273945239 is a prime.

Together with 273945239, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 273945241.

It is not a weakly prime, because it can be changed into another prime (273945247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136972620 + 136972621.

It is an arithmetic number, because the mean of its divisors is an integer number (136972621).

Almost surely, 2^273945241 is an apocalyptic number.

It is an amenable number.

273945241 is a deficient number, since it is larger than the sum of its proper divisors (1).

273945241 is an equidigital number, since it uses as much as digits as its factorization.

273945241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 273945241 is about 16551.2912185122. The cubic root of 273945241 is about 649.4632578896.

The spelling of 273945241 in words is "two hundred seventy-three million, nine hundred forty-five thousand, two hundred forty-one".