549041173 has 2 divisors, whose sum is σ = 549041174. Its totient is φ = 549041172.

The previous prime is 549041153. The next prime is 549041177. The reversal of 549041173 is 371140945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 528908004 + 20133169 = 22998^2 + 4487^2 .

It is a cyclic number.

It is not a de Polignac number, because 549041173 - 2¹⁷ = 548910101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549041177) 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 as a sum of consecutive naturals, namely, 274520586 + 274520587.

It is an arithmetic number, because the mean of its divisors is an integer number (274520587).

Almost surely, 2^549041173 is an apocalyptic number.

It is an amenable number.

549041173 is a deficient number, since it is larger than the sum of its proper divisors (1).

549041173 is an equidigital number, since it uses as much as digits as its factorization.

549041173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 549041173 is about 23431.6276216570. The cubic root of 549041173 is about 818.8448801103.

The spelling of 549041173 in words is "five hundred forty-nine million, forty-one thousand, one hundred seventy-three".