663285011 has 2 divisors, whose sum is σ = 663285012. Its totient is φ = 663285010.

The previous prime is 663285001. The next prime is 663285023. The reversal of 663285011 is 110582366.

It is a happy number.

663285011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-663285011 is a prime.

It is not a weakly prime, because it can be changed into another prime (663285001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331642505 + 331642506.

It is an arithmetic number, because the mean of its divisors is an integer number (331642506).

Almost surely, 2^663285011 is an apocalyptic number.

663285011 is a deficient number, since it is larger than the sum of its proper divisors (1).

663285011 is an equidigital number, since it uses as much as digits as its factorization.

663285011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 663285011 is about 25754.3202395249. The cubic root of 663285011 is about 872.1008860319.

The spelling of 663285011 in words is "six hundred sixty-three million, two hundred eighty-five thousand, eleven".