548166461 has 2 divisors, whose sum is σ = 548166462. Its totient is φ = 548166460.

The previous prime is 548166431. The next prime is 548166467. The reversal of 548166461 is 164661845.

548166461 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., 474978436 + 73188025 = 21794^2 + 8555^2 .

It is a cyclic number.

It is not a de Polignac number, because 548166461 - 2¹⁸ = 547904317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548166467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274083230 + 274083231.

It is an arithmetic number, because the mean of its divisors is an integer number (274083231).

Almost surely, 2^548166461 is an apocalyptic number.

It is an amenable number.

548166461 is a deficient number, since it is larger than the sum of its proper divisors (1).

548166461 is an equidigital number, since it uses as much as digits as its factorization.

548166461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 41.

The square root of 548166461 is about 23412.9549822315. The cubic root of 548166461 is about 818.4097978951.

The spelling of 548166461 in words is "five hundred forty-eight million, one hundred sixty-six thousand, four hundred sixty-one".