33640063 has 2 divisors, whose sum is σ = 33640064. Its totient is φ = 33640062.

The previous prime is 33640031. The next prime is 33640069. The reversal of 33640063 is 36004633.

33640063 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 not a de Polignac number, because 33640063 - 2⁵ = 33640031 is a prime.

It is a super-2 number, since 2×33640063² = 2263307677287938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33640069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16820031 + 16820032.

It is an arithmetic number, because the mean of its divisors is an integer number (16820032).

Almost surely, 2^33640063 is an apocalyptic number.

33640063 is a deficient number, since it is larger than the sum of its proper divisors (1).

33640063 is an equidigital number, since it uses as much as digits as its factorization.

33640063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 33640063 is about 5800.0054310319. The cubic root of 33640063 is about 322.8139298361.

Adding to 33640063 its reverse (36004633), we get a palindrome (69644696).

The spelling of 33640063 in words is "thirty-three million, six hundred forty thousand, sixty-three".