549253 has 4 divisors (see below), whose sum is σ = 581580. Its totient is φ = 516928.

The previous prime is 549247. The next prime is 549257. The reversal of 549253 is 352945.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352945 = 5 ⋅70589.

It can be written as a sum of positive squares in 2 ways, for example, as 471969 + 77284 = 687^2 + 278^2 .

It is a cyclic number.

It is not a de Polignac number, because 549253 - 2⁵ = 549221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549257) 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, 16138 + ... + 16171.

It is an arithmetic number, because the mean of its divisors is an integer number (145395).

2⁵⁴⁹²⁵³ is an apocalyptic number.

It is an amenable number.

549253 is a deficient number, since it is larger than the sum of its proper divisors (32327).

549253 is a wasteful number, since it uses less digits than its factorization.

549253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32326.

The product of its digits is 5400, while the sum is 28.

The square root of 549253 is about 741.1160502917. The cubic root of 549253 is about 81.8950173460.

The spelling of 549253 in words is "five hundred forty-nine thousand, two hundred fifty-three".