273143 has 4 divisors (see below), whose sum is σ = 294168. Its totient is φ = 252120.

The previous prime is 273131. The next prime is 273149. The reversal of 273143 is 341372.

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

It is a cyclic number.

It is not a de Polignac number, because 273143 - 2⁴ = 273127 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273149) 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 in 3 ways as a sum of consecutive naturals, for example, 10493 + ... + 10518.

It is an arithmetic number, because the mean of its divisors is an integer number (73542).

2²⁷³¹⁴³ is an apocalyptic number.

273143 is a deficient number, since it is larger than the sum of its proper divisors (21025).

273143 is a wasteful number, since it uses less digits than its factorization.

273143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21024.

The product of its digits is 504, while the sum is 20.

The square root of 273143 is about 522.6308448609. The cubic root of 273143 is about 64.8828659671.

The spelling of 273143 in words is "two hundred seventy-three thousand, one hundred forty-three", and thus it is an iban number.