548287 has 4 divisors (see below), whose sum is σ = 557640. Its totient is φ = 538936.

The previous prime is 548263. The next prime is 548291. The reversal of 548287 is 782845.

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 548287 - 2¹¹ = 546239 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 (548227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4588 + ... + 4705.

It is an arithmetic number, because the mean of its divisors is an integer number (139410).

2⁵⁴⁸²⁸⁷ is an apocalyptic number.

548287 is a deficient number, since it is larger than the sum of its proper divisors (9353).

548287 is an equidigital number, since it uses as much as digits as its factorization.

548287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9352.

The product of its digits is 17920, while the sum is 34.

The square root of 548287 is about 740.4640436915. The cubic root of 548287 is about 81.8469781541.

The spelling of 548287 in words is "five hundred forty-eight thousand, two hundred eighty-seven".