63663133 has 2 divisors, whose sum is σ = 63663134. Its totient is φ = 63663132.

The previous prime is 63663121. The next prime is 63663143. The reversal of 63663133 is 33136636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40411449 + 23251684 = 6357^2 + 4822^2 .

It is a cyclic number.

It is not a de Polignac number, because 63663133 - 2⁵ = 63663101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63663095 and 63663104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63663143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31831566 + 31831567.

It is an arithmetic number, because the mean of its divisors is an integer number (31831567).

Almost surely, 2^63663133 is an apocalyptic number.

It is an amenable number.

63663133 is a deficient number, since it is larger than the sum of its proper divisors (1).

63663133 is an equidigital number, since it uses as much as digits as its factorization.

63663133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 31.

The square root of 63663133 is about 7978.9180344205. The cubic root of 63663133 is about 399.2969588066.

Adding to 63663133 its reverse (33136636), we get a palindrome (96799769).

The spelling of 63663133 in words is "sixty-three million, six hundred sixty-three thousand, one hundred thirty-three".