273391 has 4 divisors (see below), whose sum is σ = 287800. Its totient is φ = 258984.

The previous prime is 273367. The next prime is 273433. The reversal of 273391 is 193372.

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 273391 - 2⁵ = 273359 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7176 + ... + 7213.

It is an arithmetic number, because the mean of its divisors is an integer number (71950).

2²⁷³³⁹¹ is an apocalyptic number.

273391 is a deficient number, since it is larger than the sum of its proper divisors (14409).

273391 is a wasteful number, since it uses less digits than its factorization.

273391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14408.

The product of its digits is 1134, while the sum is 25.

The square root of 273391 is about 522.8680521891. The cubic root of 273391 is about 64.9024968116.

The spelling of 273391 in words is "two hundred seventy-three thousand, three hundred ninety-one".