273065813 has 2 divisors, whose sum is σ = 273065814. Its totient is φ = 273065812.

The previous prime is 273065761. The next prime is 273065839. The reversal of 273065813 is 318560372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268369924 + 4695889 = 16382^2 + 2167^2 .

It is a cyclic number.

It is not a de Polignac number, because 273065813 - 2⁸ = 273065557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273065843) 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, 136532906 + 136532907.

It is an arithmetic number, because the mean of its divisors is an integer number (136532907).

Almost surely, 2^273065813 is an apocalyptic number.

It is an amenable number.

273065813 is a deficient number, since it is larger than the sum of its proper divisors (1).

273065813 is an equidigital number, since it uses as much as digits as its factorization.

273065813 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 273065813 is about 16524.7031138233. The cubic root of 273065813 is about 648.7675367963.

The spelling of 273065813 in words is "two hundred seventy-three million, sixty-five thousand, eight hundred thirteen".