548491 has 4 divisors (see below), whose sum is σ = 550800. Its totient is φ = 546184.

The previous prime is 548489. The next prime is 548501. The reversal of 548491 is 194845.

It is a happy number.

548491 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.

It is a cyclic number.

It is not a de Polignac number, because 548491 - 2¹ = 548489 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (548441) 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, 751 + ... + 1288.

It is an arithmetic number, because the mean of its divisors is an integer number (137700).

2⁵⁴⁸⁴⁹¹ is an apocalyptic number.

548491 is a deficient number, since it is larger than the sum of its proper divisors (2309).

548491 is a wasteful number, since it uses less digits than its factorization.

548491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308.

The product of its digits is 5760, while the sum is 31.

The square root of 548491 is about 740.6017823365. The cubic root of 548491 is about 81.8571277735.

The spelling of 548491 in words is "five hundred forty-eight thousand, four hundred ninety-one".