547247641 has 2 divisors, whose sum is σ = 547247642. Its totient is φ = 547247640.

The previous prime is 547247609. The next prime is 547247683. The reversal of 547247641 is 146742745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438483600 + 108764041 = 20940^2 + 10429^2 .

It is a cyclic number.

It is not a de Polignac number, because 547247641 - 2⁵ = 547247609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 547247594 and 547247603.

It is not a weakly prime, because it can be changed into another prime (547247341) 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, 273623820 + 273623821.

It is an arithmetic number, because the mean of its divisors is an integer number (273623821).

Almost surely, 2^547247641 is an apocalyptic number.

It is an amenable number.

547247641 is a deficient number, since it is larger than the sum of its proper divisors (1).

547247641 is an equidigital number, since it uses as much as digits as its factorization.

547247641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 40.

The square root of 547247641 is about 23393.3247102672. The cubic root of 547247641 is about 817.9522776104.

The spelling of 547247641 in words is "five hundred forty-seven million, two hundred forty-seven thousand, six hundred forty-one".