547663 has 2 divisors, whose sum is σ = 547664. Its totient is φ = 547662.

The previous prime is 547661. The next prime is 547681. The reversal of 547663 is 366745.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 547663 - 2¹ = 547661 is a prime.

Together with 547661, it forms a pair of twin primes.

547663 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (547661) 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, 273831 + 273832.

It is an arithmetic number, because the mean of its divisors is an integer number (273832).

2⁵⁴⁷⁶⁶³ is an apocalyptic number.

547663 is a deficient number, since it is larger than the sum of its proper divisors (1).

547663 is an equidigital number, since it uses as much as digits as its factorization.

547663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 547663 is about 740.0425663433. The cubic root of 547663 is about 81.8159166227.

The spelling of 547663 in words is "five hundred forty-seven thousand, six hundred sixty-three".