549119 has 4 divisors (see below), whose sum is σ = 578040. Its totient is φ = 520200.

The previous prime is 549097. The next prime is 549121. The reversal of 549119 is 911945.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 911945 = 5 ⋅182389.

It is a cyclic number.

It is not a de Polignac number, because 549119 - 2¹² = 545023 is a prime.

It is a super-2 number, since 2×549119² = 603063352322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 549091 and 549100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549139) 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, 14432 + ... + 14469.

It is an arithmetic number, because the mean of its divisors is an integer number (144510).

2⁵⁴⁹¹¹⁹ is an apocalyptic number.

549119 is a deficient number, since it is larger than the sum of its proper divisors (28921).

549119 is a wasteful number, since it uses less digits than its factorization.

549119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28920.

The product of its digits is 1620, while the sum is 29.

The square root of 549119 is about 741.0256405820. The cubic root of 549119 is about 81.8883568909. Note that the first 3 decimals are identical.

It can be divided in two parts, 5491 and 19, that multiplied together give a square (104329 = 323²).

The spelling of 549119 in words is "five hundred forty-nine thousand, one hundred nineteen".