3252021 has 16 divisors (see below), whose sum is σ = 4646400. Its totient is φ = 2017008.

The previous prime is 3252017. The next prime is 3252043. The reversal of 3252021 is 1202523.

It is not a de Polignac number, because 3252021 - 2² = 3252017 is a prime.

3252021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3252061) 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 15 ways as a sum of consecutive naturals, for example, 2880 + ... + 3846.

It is an arithmetic number, because the mean of its divisors is an integer number (290400).

Almost surely, 2^3252021 is an apocalyptic number.

It is an amenable number.

3252021 is a deficient number, since it is larger than the sum of its proper divisors (1394379).

3252021 is a wasteful number, since it uses less digits than its factorization.

3252021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048.

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

The square root of 3252021 is about 1803.3360751674. The cubic root of 3252021 is about 148.1555006714.

Adding to 3252021 its reverse (1202523), we get a palindrome (4454544).

It can be divided in two parts, 325 and 2021, that added together give a triangular number (2346 = T₆₈).

The spelling of 3252021 in words is "three million, two hundred fifty-two thousand, twenty-one".