6002009 has 4 divisors (see below), whose sum is σ = 6463716. Its totient is φ = 5540304.

The previous prime is 6001997. The next prime is 6002033. The reversal of 6002009 is 9002006.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3667225 + 2334784 = 1915^2 + 1528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6002009 is a prime.

It is a super-2 number, since 2×6002009² = 72048224072162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6002089) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 230834 + ... + 230859.

It is an arithmetic number, because the mean of its divisors is an integer number (1615929).

Almost surely, 2^6002009 is an apocalyptic number.

It is an amenable number.

6002009 is a deficient number, since it is larger than the sum of its proper divisors (461707).

6002009 is a wasteful number, since it uses less digits than its factorization.

6002009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461706.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 6002009 is about 2449.8997938691. The cubic root of 6002009 is about 181.7323381049.

The spelling of 6002009 in words is "six million, two thousand, nine".