549073 has 4 divisors (see below), whose sum is σ = 627520. Its totient is φ = 470628.

The previous prime is 549071. The next prime is 549089. The reversal of 549073 is 370945.

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, and also an emirpimes, since its reverse is a distinct semiprime: 370945 = 5 ⋅74189.

It is a cyclic number.

It is not a de Polignac number, because 549073 - 2¹ = 549071 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (549071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39213 + ... + 39226.

It is an arithmetic number, because the mean of its divisors is an integer number (156880).

2⁵⁴⁹⁰⁷³ is an apocalyptic number.

It is an amenable number.

549073 is a deficient number, since it is larger than the sum of its proper divisors (78447).

549073 is an equidigital number, since it uses as much as digits as its factorization.

549073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78446.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 549073 is about 740.9946018697. The cubic root of 549073 is about 81.8860702161.

The spelling of 549073 in words is "five hundred forty-nine thousand, seventy-three".