33130663 has 2 divisors, whose sum is σ = 33130664. Its totient is φ = 33130662.

The previous prime is 33130639. The next prime is 33130679. The reversal of 33130663 is 36603133.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33130663 - 2⁵ = 33130631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33130613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16565331 + 16565332.

It is an arithmetic number, because the mean of its divisors is an integer number (16565332).

Almost surely, 2^33130663 is an apocalyptic number.

33130663 is a deficient number, since it is larger than the sum of its proper divisors (1).

33130663 is an equidigital number, since it uses as much as digits as its factorization.

33130663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 25.

The square root of 33130663 is about 5755.9241655880. The cubic root of 33130663 is about 321.1762149427.

Adding to 33130663 its reverse (36603133), we get a palindrome (69733796).

The spelling of 33130663 in words is "thirty-three million, one hundred thirty thousand, six hundred sixty-three".