3002005 has 4 divisors (see below), whose sum is σ = 3602412. Its totient is φ = 2401600.

The previous prime is 3002003. The next prime is 3002039. The reversal of 3002005 is 5002003.

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 1874161 + 1127844 = 1369^2 + 1062^2 .

It is not a de Polignac number, because 3002005 - 2¹ = 3002003 is a prime.

It is a Duffinian number.

3002005 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3001982 and 3002000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3002003) 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, 300196 + ... + 300205.

It is an arithmetic number, because the mean of its divisors is an integer number (900603).

Almost surely, 2^3002005 is an apocalyptic number.

It is an amenable number.

3002005 is a deficient number, since it is larger than the sum of its proper divisors (600407).

3002005 is an equidigital number, since it uses as much as digits as its factorization.

3002005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600406.

The product of its (nonzero) digits is 30, while the sum is 10.

The square root of 3002005 is about 1732.6295045393. The cubic root of 3002005 is about 144.2570799909.

Adding to 3002005 its reverse (5002003), we get a palindrome (8004008).

The spelling of 3002005 in words is "three million, two thousand, five".