549254 has 4 divisors (see below), whose sum is σ = 823884. Its totient is φ = 274626.

The previous prime is 549247. The next prime is 549257. The reversal of 549254 is 452945.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon 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.

549254 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 137312 + ... + 137315.

It is an arithmetic number, because the mean of its divisors is an integer number (205971).

2⁵⁴⁹²⁵⁴ is an apocalyptic number.

549254 is a deficient number, since it is larger than the sum of its proper divisors (274630).

549254 is a wasteful number, since it uses less digits than its factorization.

549254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274629.

The product of its digits is 7200, while the sum is 29.

The square root of 549254 is about 741.1167249496. The cubic root of 549254 is about 81.8950670468.

The spelling of 549254 in words is "five hundred forty-nine thousand, two hundred fifty-four".