65000385 has 24 divisors (see below), whose sum is σ = 114354240. Its totient is φ = 34147872.

The previous prime is 65000357. The next prime is 65000393. The reversal of 65000385 is 58300056.

65000385 is a `hidden beast` number, since 650 + 0 + 0 + 3 + 8 + 5 = 666.

It is not a de Polignac number, because 65000385 - 2⁶ = 65000321 is a prime.

65000385 is a modest number, since divided by 385 gives 65 as remainder.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7765 + ... + 13794.

It is an arithmetic number, because the mean of its divisors is an integer number (4764760).

Almost surely, 2^65000385 is an apocalyptic number.

It is an amenable number.

65000385 is a deficient number, since it is larger than the sum of its proper divisors (49353855).

65000385 is a wasteful number, since it uses less digits than its factorization.

65000385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21637 (or 21634 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 65000385 is about 8062.2816249496. The cubic root of 65000385 is about 402.0733696929.

The spelling of 65000385 in words is "sixty-five million, three hundred eighty-five", and thus it is an aban number.