549349225 has 12 divisors (see below), whose sum is σ = 692362060. Its totient is φ = 432273600.

The previous prime is 549349219. The next prime is 549349243. The reversal of 549349225 is 522943945.

It can be written as a sum of positive squares in 6 ways, for example, as 197711721 + 351637504 = 14061^2 + 18752^2 .

It is not a de Polignac number, because 549349225 - 2⁹ = 549348713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178590 + ... + 181639.

Almost surely, 2^549349225 is an apocalyptic number.

It is an amenable number.

549349225 is a deficient number, since it is larger than the sum of its proper divisors (143012835).

549349225 is a wasteful number, since it uses less digits than its factorization.

549349225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360300 (or 360295 counting only the distinct ones).

The product of its digits is 388800, while the sum is 43.

The square root of 549349225 is about 23438.2001228763. The cubic root of 549349225 is about 818.9979953069.

The spelling of 549349225 in words is "five hundred forty-nine million, three hundred forty-nine thousand, two hundred twenty-five".