6005009 has 4 divisors (see below), whose sum is σ = 6094704. Its totient is φ = 5915316.

The previous prime is 6004991. The next prime is 6005011. The reversal of 6005009 is 9005006.

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 a cyclic number.

It is not a de Polignac number, because 6005009 - 2¹⁶ = 5939473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6005039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44747 + ... + 44880.

It is an arithmetic number, because the mean of its divisors is an integer number (1523676).

Almost surely, 2^6005009 is an apocalyptic number.

It is an amenable number.

6005009 is a deficient number, since it is larger than the sum of its proper divisors (89695).

6005009 is an equidigital number, since it uses as much as digits as its factorization.

6005009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89694.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 6005009 is about 2450.5119873202. The cubic root of 6005009 is about 181.7626116463.

The spelling of 6005009 in words is "six million, five thousand, nine".