6500005 has 8 divisors (see below), whose sum is σ = 7916832. Its totient is φ = 5122128.

The previous prime is 6500003. The next prime is 6500023. The reversal of 6500005 is 5000056.

It is a happy number.

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 6500005 - 2¹ = 6500003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6500003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9367 + ... + 10036.

It is an arithmetic number, because the mean of its divisors is an integer number (989604).

Almost surely, 2^6500005 is an apocalyptic number.

It is an amenable number.

6500005 is a deficient number, since it is larger than the sum of its proper divisors (1416827).

6500005 is a wasteful number, since it uses less digits than its factorization.

6500005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19475.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 6500005 is about 2549.5107373769. The cubic root of 6500005 is about 186.6256056936.

The spelling of 6500005 in words is "six million, five hundred thousand, five".