273538393 has 2 divisors, whose sum is σ = 273538394. Its totient is φ = 273538392.

The previous prime is 273538387. The next prime is 273538399. The reversal of 273538393 is 393835372.

It is a balanced prime because it is at equal distance from previous prime (273538387) and next prime (273538399).

It can be written as a sum of positive squares in only one way, i.e., 273174784 + 363609 = 16528^2 + 603^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273538393 is a prime.

It is not a weakly prime, because it can be changed into another prime (273538399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136769196 + 136769197.

It is an arithmetic number, because the mean of its divisors is an integer number (136769197).

Almost surely, 2^273538393 is an apocalyptic number.

It is an amenable number.

273538393 is a deficient number, since it is larger than the sum of its proper divisors (1).

273538393 is an equidigital number, since it uses as much as digits as its factorization.

273538393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 43.

The square root of 273538393 is about 16538.9961303581. The cubic root of 273538393 is about 649.1415832093.

The spelling of 273538393 in words is "two hundred seventy-three million, five hundred thirty-eight thousand, three hundred ninety-three".