3315021 has 8 divisors (see below), whose sum is σ = 4441824. Its totient is φ = 2199120.

The previous prime is 3315007. The next prime is 3315031. The reversal of 3315021 is 1205133.

It is a happy number.

3315021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3315021 - 2⁷ = 3314893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3315001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1986 + ... + 3251.

It is an arithmetic number, because the mean of its divisors is an integer number (555228).

Almost surely, 2^3315021 is an apocalyptic number.

It is an amenable number.

3315021 is a deficient number, since it is larger than the sum of its proper divisors (1126803).

3315021 is a wasteful number, since it uses less digits than its factorization.

3315021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 3315021 is about 1820.7199125621. The cubic root of 3315021 is about 149.1061058253.

The spelling of 3315021 in words is "three million, three hundred fifteen thousand, twenty-one".