273113861 has 2 divisors, whose sum is σ = 273113862. Its totient is φ = 273113860.

The previous prime is 273113849. The next prime is 273113887. The reversal of 273113861 is 168311372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144744961 + 128368900 = 12031^2 + 11330^2 .

It is a cyclic number.

It is not a de Polignac number, because 273113861 - 2¹⁴ = 273097477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273113801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136556930 + 136556931.

It is an arithmetic number, because the mean of its divisors is an integer number (136556931).

Almost surely, 2^273113861 is an apocalyptic number.

It is an amenable number.

273113861 is a deficient number, since it is larger than the sum of its proper divisors (1).

273113861 is an equidigital number, since it uses as much as digits as its factorization.

273113861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 273113861 is about 16526.1568732721. The cubic root of 273113861 is about 648.8055864202.

The spelling of 273113861 in words is "two hundred seventy-three million, one hundred thirteen thousand, eight hundred sixty-one".