201000065 has 8 divisors (see below), whose sum is σ = 275657280. Its totient is φ = 137828592.

The previous prime is 201000053. The next prime is 201000083. The reversal of 201000065 is 560000102.

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 201000065 - 2⁴ = 201000049 is a prime.

It is a super-2 number, since 2×201000065² = 80802052260008450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2871395 + ... + 2871464.

It is an arithmetic number, because the mean of its divisors is an integer number (34457160).

Almost surely, 2^201000065 is an apocalyptic number.

It is an amenable number.

201000065 is a deficient number, since it is larger than the sum of its proper divisors (74657215).

201000065 is an equidigital number, since it uses as much as digits as its factorization.

201000065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742871.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 201000065 is about 14177.4491711309. The cubic root of 201000065 is about 585.7766634085.

Adding to 201000065 its reverse (560000102), we get a palindrome (761000167).

The spelling of 201000065 in words is "two hundred one million, sixty-five", and thus it is an aban number.