3005021 has 8 divisors (see below), whose sum is σ = 3194400. Its totient is φ = 2818800.

The previous prime is 3005011. The next prime is 3005027. The reversal of 3005021 is 1205003.

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 3005021 - 2⁶ = 3004957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3004993 and 3005011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3005027) 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, 1346 + ... + 2796.

It is an arithmetic number, because the mean of its divisors is an integer number (399300).

Almost surely, 2^3005021 is an apocalyptic number.

It is an amenable number.

3005021 is a deficient number, since it is larger than the sum of its proper divisors (189379).

3005021 is a wasteful number, since it uses less digits than its factorization.

3005021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 3005021 is about 1733.4996394577. The cubic root of 3005021 is about 144.3053736849.

The spelling of 3005021 in words is "three million, five thousand, twenty-one".