3287261 has 2 divisors, whose sum is σ = 3287262. Its totient is φ = 3287260.

The previous prime is 3287189. The next prime is 3287267. The reversal of 3287261 is 1627823.

It is a happy number.

3287261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2805625 + 481636 = 1675^2 + 694^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3287261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3287267) 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, 1643630 + 1643631.

It is an arithmetic number, because the mean of its divisors is an integer number (1643631).

Almost surely, 2^3287261 is an apocalyptic number.

It is an amenable number.

3287261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3287261 is an equidigital number, since it uses as much as digits as its factorization.

3287261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 3287261 is about 1813.0805277207. The cubic root of 3287261 is about 148.6887335670.

The spelling of 3287261 in words is "three million, two hundred eighty-seven thousand, two hundred sixty-one".