3245021 has 12 divisors (see below), whose sum is σ = 3602172. Its totient is φ = 2905728.

The previous prime is 3245009. The next prime is 3245023. The reversal of 3245021 is 1205423.

It can be written as a sum of positive squares in 2 ways, for example, as 220900 + 3024121 = 470^2 + 1739^2 .

It is not a de Polignac number, because 3245021 - 2⁶ = 3244957 is a prime.

It is a super-2 number, since 2×3245021² = 21060322580882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3245023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28661 + ... + 28773.

It is an arithmetic number, because the mean of its divisors is an integer number (300181).

Almost surely, 2^3245021 is an apocalyptic number.

It is an amenable number.

3245021 is a deficient number, since it is larger than the sum of its proper divisors (357151).

3245021 is a wasteful number, since it uses less digits than its factorization.

3245021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3245021 is about 1801.3941822933. The cubic root of 3245021 is about 148.0491223598.

The spelling of 3245021 in words is "three million, two hundred forty-five thousand, twenty-one".