3325581 has 18 divisors (see below), whose sum is σ = 5588622. Its totient is φ = 1900080.

The previous prime is 3325573. The next prime is 3325631. The reversal of 3325581 is 1855233.

It can be written as a sum of positive squares in only one way, i.e., 2223081 + 1102500 = 1491^2 + 1050^2 .

It is not a de Polignac number, because 3325581 - 2³ = 3325573 is a prime.

It is a super-2 number, since 2×3325581² = 22118977975122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3325541) 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 17 ways as a sum of consecutive naturals, for example, 3330 + ... + 4211.

It is an arithmetic number, because the mean of its divisors is an integer number (310479).

Almost surely, 2^3325581 is an apocalyptic number.

It is an amenable number.

3325581 is a deficient number, since it is larger than the sum of its proper divisors (2263041).

3325581 is a wasteful number, since it uses less digits than its factorization.

3325581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7561 (or 7551 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 3325581 is about 1823.6175585906. The cubic root of 3325581 is about 149.2642638489.

The spelling of 3325581 in words is "three million, three hundred twenty-five thousand, five hundred eighty-one".