3251081 has 4 divisors (see below), whose sum is σ = 3287700. Its totient is φ = 3214464.

The previous prime is 3251069. The next prime is 3251093. The reversal of 3251081 is 1801523.

3251081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (3251069) and next prime (3251093).

It can be written as a sum of positive squares in 2 ways, for example, as 1537600 + 1713481 = 1240^2 + 1309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3251081 is a prime.

It is a super-2 number, since 2×3251081² = 21139055337122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3251681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18176 + ... + 18353.

It is an arithmetic number, because the mean of its divisors is an integer number (821925).

Almost surely, 2^3251081 is an apocalyptic number.

It is an amenable number.

3251081 is a deficient number, since it is larger than the sum of its proper divisors (36619).

3251081 is an equidigital number, since it uses as much as digits as its factorization.

3251081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36618.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 3251081 is about 1803.0754282614. The cubic root of 3251081 is about 148.1412244627.

The spelling of 3251081 in words is "three million, two hundred fifty-one thousand, eighty-one".