65005117 has 4 divisors (see below), whose sum is σ = 65024640. Its totient is φ = 64985596.

The previous prime is 65005111. The next prime is 65005123. The reversal of 65005117 is 71150056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (65005111) and next prime (65005123).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65005117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65005091 and 65005100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65005111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3373 + ... + 11890.

It is an arithmetic number, because the mean of its divisors is an integer number (16256160).

Almost surely, 2^65005117 is an apocalyptic number.

It is an amenable number.

65005117 is a deficient number, since it is larger than the sum of its proper divisors (19523).

65005117 is a wasteful number, since it uses less digits than its factorization.

65005117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19522.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 65005117 is about 8062.5750849217. The cubic root of 65005117 is about 402.0831263788.

The spelling of 65005117 in words is "sixty-five million, five thousand, one hundred seventeen".