65330385 has 16 divisors (see below), whose sum is σ = 105456384. Its totient is φ = 34533632.

The previous prime is 65330383. The next prime is 65330389. The reversal of 65330385 is 58303356.

It is a cyclic number.

It is not a de Polignac number, because 65330385 - 2¹ = 65330383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65330381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17577 + ... + 20966.

It is an arithmetic number, because the mean of its divisors is an integer number (6591024).

Almost surely, 2^65330385 is an apocalyptic number.

It is an amenable number.

65330385 is a deficient number, since it is larger than the sum of its proper divisors (40125999).

65330385 is a wasteful number, since it uses less digits than its factorization.

65330385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38664.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 65330385 is about 8082.7213857710. The cubic root of 65330385 is about 402.7526492695.

The spelling of 65330385 in words is "sixty-five million, three hundred thirty thousand, three hundred eighty-five".