273243273 has 4 divisors (see below), whose sum is σ = 364324368. Its totient is φ = 182162180.

The previous prime is 273243259. The next prime is 273243283. The reversal of 273243273 is 372342372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 273243273 - 2¹⁸ = 272981129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (273243233) 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, 45540543 + ... + 45540548.

It is an arithmetic number, because the mean of its divisors is an integer number (91081092).

Almost surely, 2^273243273 is an apocalyptic number.

It is an amenable number.

273243273 is a deficient number, since it is larger than the sum of its proper divisors (91081095).

273243273 is an equidigital number, since it uses as much as digits as its factorization.

273243273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91081094.

The product of its digits is 42336, while the sum is 33.

The square root of 273243273 is about 16530.0717784285. The cubic root of 273243273 is about 648.9080467030.

Subtracting 273243273 from its reverse (372342372), we obtain a palindrome (99099099).

The spelling of 273243273 in words is "two hundred seventy-three million, two hundred forty-three thousand, two hundred seventy-three".