273867089 has 2 divisors, whose sum is σ = 273867090. Its totient is φ = 273867088.

The previous prime is 273867079. The next prime is 273867103. The reversal of 273867089 is 980768372.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257057089 + 16810000 = 16033^2 + 4100^2 .

It is a cyclic number.

It is not a de Polignac number, because 273867089 - 2⁸ = 273866833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (273867029) 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, 136933544 + 136933545.

It is an arithmetic number, because the mean of its divisors is an integer number (136933545).

Almost surely, 2^273867089 is an apocalyptic number.

It is an amenable number.

273867089 is a deficient number, since it is larger than the sum of its proper divisors (1).

273867089 is an equidigital number, since it uses as much as digits as its factorization.

273867089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 273867089 is about 16548.9301466892. The cubic root of 273867089 is about 649.4014916770.

The spelling of 273867089 in words is "two hundred seventy-three million, eight hundred sixty-seven thousand, eighty-nine".