65333663 has 4 divisors (see below), whose sum is σ = 65564808. Its totient is φ = 65102520.

The previous prime is 65333659. The next prime is 65333677. The reversal of 65333663 is 36633356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65333663 - 2² = 65333659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65333633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115148 + ... + 115713.

It is an arithmetic number, because the mean of its divisors is an integer number (16391202).

Almost surely, 2^65333663 is an apocalyptic number.

65333663 is a deficient number, since it is larger than the sum of its proper divisors (231145).

65333663 is a wasteful number, since it uses less digits than its factorization.

65333663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231144.

The product of its digits is 87480, while the sum is 35.

The square root of 65333663 is about 8082.9241614653. The cubic root of 65333663 is about 402.7593852934.

The spelling of 65333663 in words is "sixty-five million, three hundred thirty-three thousand, six hundred sixty-three".