549152273 has 2 divisors, whose sum is σ = 549152274. Its totient is φ = 549152272.

The previous prime is 549152267. The next prime is 549152281. The reversal of 549152273 is 372251945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338118544 + 211033729 = 18388^2 + 14527^2 .

It is a cyclic number.

It is not a de Polignac number, because 549152273 - 2¹² = 549148177 is a prime.

It is a super-3 number, since 3×549152273³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (549154273) 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, 274576136 + 274576137.

It is an arithmetic number, because the mean of its divisors is an integer number (274576137).

Almost surely, 2^549152273 is an apocalyptic number.

It is an amenable number.

549152273 is a deficient number, since it is larger than the sum of its proper divisors (1).

549152273 is an equidigital number, since it uses as much as digits as its factorization.

549152273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 549152273 is about 23433.9982290688. The cubic root of 549152273 is about 818.9001082274.

The spelling of 549152273 in words is "five hundred forty-nine million, one hundred fifty-two thousand, two hundred seventy-three".