65332643 has 8 divisors (see below), whose sum is σ = 65869200. Its totient is φ = 64798720.

The previous prime is 65332633. The next prime is 65332651. The reversal of 65332643 is 34623356.

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 65332643 - 2¹⁰ = 65331619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65332613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101603 + ... + 102243.

It is an arithmetic number, because the mean of its divisors is an integer number (8233650).

Almost surely, 2^65332643 is an apocalyptic number.

65332643 is a deficient number, since it is larger than the sum of its proper divisors (536557).

65332643 is a wasteful number, since it uses less digits than its factorization.

65332643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317.

The product of its digits is 38880, while the sum is 32.

The square root of 65332643 is about 8082.8610652417. The cubic root of 65332643 is about 402.7572893003.

Adding to 65332643 its reverse (34623356), we get a palindrome (99955999).

The spelling of 65332643 in words is "sixty-five million, three hundred thirty-two thousand, six hundred forty-three".