548203489 has 2 divisors, whose sum is σ = 548203490. Its totient is φ = 548203488.

The previous prime is 548203451. The next prime is 548203519. The reversal of 548203489 is 984302845.

548203489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 525326400 + 22877089 = 22920^2 + 4783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548203489 is a prime.

It is not a weakly prime, because it can be changed into another prime (548203589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274101744 + 274101745.

It is an arithmetic number, because the mean of its divisors is an integer number (274101745).

Almost surely, 2^548203489 is an apocalyptic number.

It is an amenable number.

548203489 is a deficient number, since it is larger than the sum of its proper divisors (1).

548203489 is an equidigital number, since it uses as much as digits as its factorization.

548203489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 548203489 is about 23413.7457276703. The cubic root of 548203489 is about 818.4282250201.

The spelling of 548203489 in words is "five hundred forty-eight million, two hundred three thousand, four hundred eighty-nine".