65368133 has 4 divisors (see below), whose sum is σ = 66601548. Its totient is φ = 64134720.

The previous prime is 65368129. The next prime is 65368183. The reversal of 65368133 is 33186356.

65368133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29571844 + 35796289 = 5438^2 + 5983^2 .

It is a cyclic number.

It is not a de Polignac number, because 65368133 - 2² = 65368129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65368093 and 65368102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65368103) 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 in 3 ways as a sum of consecutive naturals, for example, 616628 + ... + 616733.

It is an arithmetic number, because the mean of its divisors is an integer number (16650387).

Almost surely, 2^65368133 is an apocalyptic number.

It is an amenable number.

65368133 is a deficient number, since it is larger than the sum of its proper divisors (1233415).

65368133 is a wasteful number, since it uses less digits than its factorization.

65368133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233414.

The product of its digits is 38880, while the sum is 35.

The square root of 65368133 is about 8085.0561531754. The cubic root of 65368133 is about 402.8302047072.

It can be divided in two parts, 653 and 68133, that added together give a palindrome (68786).

The spelling of 65368133 in words is "sixty-five million, three hundred sixty-eight thousand, one hundred thirty-three".