547698961 has 2 divisors, whose sum is σ = 547698962. Its totient is φ = 547698960.

The previous prime is 547698929. The next prime is 547699003. The reversal of 547698961 is 169896745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305585361 + 242113600 = 17481^2 + 15560^2 .

It is a cyclic number.

It is not a de Polignac number, because 547698961 - 2⁵ = 547698929 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (547698461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273849480 + 273849481.

It is an arithmetic number, because the mean of its divisors is an integer number (273849481).

Almost surely, 2^547698961 is an apocalyptic number.

It is an amenable number.

547698961 is a deficient number, since it is larger than the sum of its proper divisors (1).

547698961 is an equidigital number, since it uses as much as digits as its factorization.

547698961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 55.

The square root of 547698961 is about 23402.9690637748. The cubic root of 547698961 is about 818.1770733324.

The spelling of 547698961 in words is "five hundred forty-seven million, six hundred ninety-eight thousand, nine hundred sixty-one".