3045021 has 16 divisors (see below), whose sum is σ = 4698624. Its totient is φ = 1718064.

The previous prime is 3045019. The next prime is 3045041. The reversal of 3045021 is 1205403.

It is not a de Polignac number, because 3045021 - 2¹ = 3045019 is a prime.

3045021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3045041) 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, 870 + ... + 2616.

It is an arithmetic number, because the mean of its divisors is an integer number (293664).

Almost surely, 2^3045021 is an apocalyptic number.

It is an amenable number.

3045021 is a deficient number, since it is larger than the sum of its proper divisors (1653603).

3045021 is a wasteful number, since it uses less digits than its factorization.

3045021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 3045021 is about 1744.9988538678. The cubic root of 3045021 is about 144.9428391420.

The spelling of 3045021 in words is "three million, forty-five thousand, twenty-one".