3281149 has 2 divisors, whose sum is σ = 3281150. Its totient is φ = 3281148.

The previous prime is 3281141. The next prime is 3281171. The reversal of 3281149 is 9411823.

It is a happy number.

3281149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3175524 + 105625 = 1782^2 + 325^2 .

It is a cyclic number.

It is not a de Polignac number, because 3281149 - 2³ = 3281141 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3281141) 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 as a sum of consecutive naturals, namely, 1640574 + 1640575.

It is an arithmetic number, because the mean of its divisors is an integer number (1640575).

Almost surely, 2^3281149 is an apocalyptic number.

It is an amenable number.

3281149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3281149 is an equidigital number, since it uses as much as digits as its factorization.

3281149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 3281149 is about 1811.3942144105. The cubic root of 3281149 is about 148.5965241403.

The spelling of 3281149 in words is "three million, two hundred eighty-one thousand, one hundred forty-nine".