65641333 has 8 divisors (see below), whose sum is σ = 72100800. Its totient is φ = 59482368.

The previous prime is 65641321. The next prime is 65641339. The reversal of 65641333 is 33314656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65641333 - 2⁹ = 65640821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65641295 and 65641304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65641339) 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 7 ways as a sum of consecutive naturals, for example, 74668 + ... + 75541.

It is an arithmetic number, because the mean of its divisors is an integer number (9012600).

Almost surely, 2^65641333 is an apocalyptic number.

It is an amenable number.

65641333 is a deficient number, since it is larger than the sum of its proper divisors (6459467).

65641333 is a wasteful number, since it uses less digits than its factorization.

65641333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150251.

The product of its digits is 19440, while the sum is 31.

The square root of 65641333 is about 8101.9339049390. The cubic root of 65641333 is about 403.3906217527.

Adding to 65641333 its reverse (33314656), we get a palindrome (98955989).

The spelling of 65641333 in words is "sixty-five million, six hundred forty-one thousand, three hundred thirty-three".