547544897 has 2 divisors, whose sum is σ = 547544898. Its totient is φ = 547544896.

The previous prime is 547544887. The next prime is 547544903. The reversal of 547544897 is 798445745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 383807281 + 163737616 = 19591^2 + 12796^2 .

It is a cyclic number.

It is not a de Polignac number, because 547544897 - 2¹⁸ = 547282753 is a prime.

It is not a weakly prime, because it can be changed into another prime (547544867) 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, 273772448 + 273772449.

It is an arithmetic number, because the mean of its divisors is an integer number (273772449).

Almost surely, 2^547544897 is an apocalyptic number.

It is an amenable number.

547544897 is a deficient number, since it is larger than the sum of its proper divisors (1).

547544897 is an equidigital number, since it uses as much as digits as its factorization.

547544897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5644800, while the sum is 53.

The square root of 547544897 is about 23399.6772840995. The cubic root of 547544897 is about 818.1003502524.

The spelling of 547544897 in words is "five hundred forty-seven million, five hundred forty-four thousand, eight hundred ninety-seven".