273155 has 4 divisors (see below), whose sum is σ = 327792. Its totient is φ = 218520.

The previous prime is 273149. The next prime is 273157. The reversal of 273155 is 551372.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 273155 - 2¹⁰ = 272131 is a prime.

It is a super-2 number, since 2×273155² = 149227308050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 273155.

It is not an unprimeable number, because it can be changed into a prime (273157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27311 + ... + 27320.

It is an arithmetic number, because the mean of its divisors is an integer number (81948).

2²⁷³¹⁵⁵ is an apocalyptic number.

273155 is a deficient number, since it is larger than the sum of its proper divisors (54637).

273155 is an equidigital number, since it uses as much as digits as its factorization.

273155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54636.

The product of its digits is 1050, while the sum is 23.

The square root of 273155 is about 522.6423251135. The cubic root of 273155 is about 64.8838161202.

The spelling of 273155 in words is "two hundred seventy-three thousand, one hundred fifty-five".