3325981 has 4 divisors (see below), whose sum is σ = 3440700. Its totient is φ = 3211264.

The previous prime is 3325963. The next prime is 3325991. The reversal of 3325981 is 1895233.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 749956 + 2576025 = 866^2 + 1605^2 .

It is a 8-Lehmer number, since φ(3325981) divides (3325981-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 3325981 - 2¹¹ = 3323933 is a prime.

It is a super-2 number, since 2×3325981² = 22124299224722, which contains 22 as substring.

It is a Duffinian number.

3325981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3325901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57316 + ... + 57373.

It is an arithmetic number, because the mean of its divisors is an integer number (860175).

Almost surely, 2^3325981 is an apocalyptic number.

It is an amenable number.

3325981 is a deficient number, since it is larger than the sum of its proper divisors (114719).

3325981 is a wasteful number, since it uses less digits than its factorization.

3325981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114718.

The product of its digits is 6480, while the sum is 31.

The square root of 3325981 is about 1823.7272274109. The cubic root of 3325981 is about 149.2702480977.

The spelling of 3325981 in words is "three million, three hundred twenty-five thousand, nine hundred eighty-one".