273000109 has 2 divisors, whose sum is σ = 273000110. Its totient is φ = 273000108.

The previous prime is 273000107. The next prime is 273000131. The reversal of 273000109 is 901000372.

It is an a-pointer prime, because the next prime (273000131) can be obtained adding 273000109 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221116900 + 51883209 = 14870^2 + 7203^2 .

It is a cyclic number.

It is not a de Polignac number, because 273000109 - 2¹ = 273000107 is a prime.

Together with 273000107, 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 273000109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273000107) 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, 136500054 + 136500055.

It is an arithmetic number, because the mean of its divisors is an integer number (136500055).

Almost surely, 2^273000109 is an apocalyptic number.

It is an amenable number.

273000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

273000109 is an equidigital number, since it uses as much as digits as its factorization.

273000109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 273000109 is about 16522.7149403480. The cubic root of 273000109 is about 648.7154980086.

The spelling of 273000109 in words is "two hundred seventy-three million, one hundred nine", and thus it is an aban number.