549371 has 4 divisors (see below), whose sum is σ = 552000. Its totient is φ = 546744.

The previous prime is 549331. The next prime is 549379. The reversal of 549371 is 173945.

549371 is nontrivially palindromic in base 7.

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 549371 - 2¹⁰ = 548347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549379) 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, 971 + ... + 1428.

It is an arithmetic number, because the mean of its divisors is an integer number (138000).

2⁵⁴⁹³⁷¹ is an apocalyptic number.

549371 is a deficient number, since it is larger than the sum of its proper divisors (2629).

549371 is a wasteful number, since it uses less digits than its factorization.

549371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628.

The product of its digits is 3780, while the sum is 29.

The square root of 549371 is about 741.1956556807. The cubic root of 549371 is about 81.9008816259.

The spelling of 549371 in words is "five hundred forty-nine thousand, three hundred seventy-one".