549517147 has 2 divisors, whose sum is σ = 549517148. Its totient is φ = 549517146.

The previous prime is 549517141. The next prime is 549517211. The reversal of 549517147 is 741715945.

It is a happy number.

549517147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549517147 - 2³ = 549517139 is a prime.

It is not a weakly prime, because it can be changed into another prime (549517141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274758573 + 274758574.

It is an arithmetic number, because the mean of its divisors is an integer number (274758574).

Almost surely, 2^549517147 is an apocalyptic number.

549517147 is a deficient number, since it is larger than the sum of its proper divisors (1).

549517147 is an equidigital number, since it uses as much as digits as its factorization.

549517147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 43.

The square root of 549517147 is about 23441.7820781612. The cubic root of 549517147 is about 819.0814357151.

The spelling of 549517147 in words is "five hundred forty-nine million, five hundred seventeen thousand, one hundred forty-seven".