8533663 has 2 divisors, whose sum is σ = 8533664. Its totient is φ = 8533662.

The previous prime is 8533639. The next prime is 8533669. The reversal of 8533663 is 3663358.

It is a happy number.

8533663 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8533663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8533669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4266831 + 4266832.

It is an arithmetic number, because the mean of its divisors is an integer number (4266832).

Almost surely, 2^8533663 is an apocalyptic number.

8533663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8533663 is an equidigital number, since it uses as much as digits as its factorization.

8533663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 34.

The square root of 8533663 is about 2921.2433996502. The cubic root of 8533663 is about 204.3518134656.

The spelling of 8533663 in words is "eight million, five hundred thirty-three thousand, six hundred sixty-three".