547318949 has 2 divisors, whose sum is σ = 547318950. Its totient is φ = 547318948.

The previous prime is 547318909. The next prime is 547318951. The reversal of 547318949 is 949813745.

547318949 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., 364122724 + 183196225 = 19082^2 + 13535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-547318949 is a prime.

Together with 547318951, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 547318897 and 547318906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (547318909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273659474 + 273659475.

It is an arithmetic number, because the mean of its divisors is an integer number (273659475).

Almost surely, 2^547318949 is an apocalyptic number.

It is an amenable number.

547318949 is a deficient number, since it is larger than the sum of its proper divisors (1).

547318949 is an equidigital number, since it uses as much as digits as its factorization.

547318949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The square root of 547318949 is about 23394.8487706162. The cubic root of 547318949 is about 817.9878032746.

The spelling of 547318949 in words is "five hundred forty-seven million, three hundred eighteen thousand, nine hundred forty-nine".