3000005 has 16 divisors (see below), whose sum is σ = 3957120. Its totient is φ = 2173248.

The previous prime is 2999999. The next prime is 3000017. The reversal of 3000005 is 5000003.

It is a cyclic number.

It is not a de Polignac number, because 3000005 - 2¹⁰ = 2998981 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2999956 and 3000001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1499 + ... + 2871.

It is an arithmetic number, because the mean of its divisors is an integer number (247320).

Almost surely, 2^3000005 is an apocalyptic number.

It is an amenable number.

3000005 is a deficient number, since it is larger than the sum of its proper divisors (957115).

3000005 is a wasteful number, since it uses less digits than its factorization.

3000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420.

The product of its (nonzero) digits is 15, while the sum is 8.

The square root of 3000005 is about 1732.0522509439. The cubic root of 3000005 is about 144.2250371557.

Adding to 3000005 its reverse (5000003), we get a palindrome (8000008).

The spelling of 3000005 in words is "three million, five", and thus it is an aban number and an uban number.