3351021 has 8 divisors (see below), whose sum is σ = 4488960. Its totient is φ = 2223552.

The previous prime is 3351013. The next prime is 3351071. The reversal of 3351021 is 1201533.

It is a happy number.

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

It is not a de Polignac number, because 3351021 - 2³ = 3351013 is a prime.

It is a super-2 number, since 2×3351021² = 22458683484882, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3351001) 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, 1836 + ... + 3173.

It is an arithmetic number, because the mean of its divisors is an integer number (561120).

Almost surely, 2^3351021 is an apocalyptic number.

It is an amenable number.

3351021 is a deficient number, since it is larger than the sum of its proper divisors (1137939).

3351021 is a wasteful number, since it uses less digits than its factorization.

3351021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5235.

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

The square root of 3351021 is about 1830.5794164690. The cubic root of 3351021 is about 149.6439108948.

Adding to 3351021 its reverse (1201533), we get a palindrome (4552554).

The spelling of 3351021 in words is "three million, three hundred fifty-one thousand, twenty-one".