65604383 has 4 divisors (see below), whose sum is σ = 70650888. Its totient is φ = 60557880.

The previous prime is 65604373. The next prime is 65604389. The reversal of 65604383 is 38340656.

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 65604383 - 2¹⁸ = 65342239 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 (65604389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2523233 + ... + 2523258.

It is an arithmetic number, because the mean of its divisors is an integer number (17662722).

Almost surely, 2^65604383 is an apocalyptic number.

65604383 is a deficient number, since it is larger than the sum of its proper divisors (5046505).

65604383 is a wasteful number, since it uses less digits than its factorization.

65604383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046504.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 65604383 is about 8099.6532641836. The cubic root of 65604383 is about 403.3149170078.

The spelling of 65604383 in words is "sixty-five million, six hundred four thousand, three hundred eighty-three".