65005105 has 8 divisors (see below), whose sum is σ = 85097664. Its totient is φ = 47276400.

The previous prime is 65005097. The next prime is 65005111. The reversal of 65005105 is 50150056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65005105 - 2³ = 65005097 is a prime.

It is a super-2 number, since 2×65005105² = 8451327352122050, which contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 590901 + ... + 591010.

It is an arithmetic number, because the mean of its divisors is an integer number (10637208).

Almost surely, 2^65005105 is an apocalyptic number.

It is an amenable number.

65005105 is a deficient number, since it is larger than the sum of its proper divisors (20092559).

65005105 is a wasteful number, since it uses less digits than its factorization.

65005105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181927.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 65005105 is about 8062.5743407425. The cubic root of 65005105 is about 402.0831016372.

The spelling of 65005105 in words is "sixty-five million, five thousand, one hundred five".