273381 has 4 divisors (see below), whose sum is σ = 364512. Its totient is φ = 182252.

The previous prime is 273367. The next prime is 273433. The reversal of 273381 is 183372.

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 273381 - 2⁵ = 273349 is a prime.

It is a super-2 number, since 2×273381² = 149474342322, which contains 22 as substring.

It is a D-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, 45561 + ... + 45566.

It is an arithmetic number, because the mean of its divisors is an integer number (91128).

2²⁷³³⁸¹ is an apocalyptic number.

It is an amenable number.

273381 is a deficient number, since it is larger than the sum of its proper divisors (91131).

273381 is an equidigital number, since it uses as much as digits as its factorization.

273381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91130.

The product of its digits is 1008, while the sum is 24.

The square root of 273381 is about 522.8584894596. The cubic root of 273381 is about 64.9017054750.

Subtracting from 273381 its reverse (183372), we obtain a palindrome (90009).

The spelling of 273381 in words is "two hundred seventy-three thousand, three hundred eighty-one".