548305 has 4 divisors (see below), whose sum is σ = 657972. Its totient is φ = 438640.

The previous prime is 548291. The next prime is 548309. The reversal of 548305 is 503845.

It is a happy number.

548305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503845 = 5 ⋅100769.

It can be written as a sum of positive squares in 2 ways, for example, as 425104 + 123201 = 652^2 + 351^2 .

It is a de Polignac number, because none of the positive numbers 2^k-548305 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 548305.

It is not an unprimeable number, because it can be changed into a prime (548309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54826 + ... + 54835.

It is an arithmetic number, because the mean of its divisors is an integer number (164493).

2⁵⁴⁸³⁰⁵ is an apocalyptic number.

It is an amenable number.

548305 is a deficient number, since it is larger than the sum of its proper divisors (109667).

548305 is a wasteful number, since it uses less digits than its factorization.

548305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109666.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 548305 is about 740.4761981320. The cubic root of 548305 is about 81.8478738100.

The spelling of 548305 in words is "five hundred forty-eight thousand, three hundred five".