3261285 has 36 divisors (see below), whose sum is σ = 5952492. Its totient is φ = 1651584.

The previous prime is 3261281. The next prime is 3261299. The reversal of 3261285 is 5821623.

3261285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1542564 + 1718721 = 1242^2 + 1311^2 .

It is not a de Polignac number, because 3261285 - 2² = 3261281 is a prime.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261281) 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 35 ways as a sum of consecutive naturals, for example, 23737 + ... + 23873.

It is an arithmetic number, because the mean of its divisors is an integer number (165347).

Almost surely, 2^3261285 is an apocalyptic number.

It is an amenable number.

3261285 is a deficient number, since it is larger than the sum of its proper divisors (2691207).

3261285 is a wasteful number, since it uses less digits than its factorization.

3261285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 168 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 3261285 is about 1805.9028213057. The cubic root of 3261285 is about 148.2960503305.

The spelling of 3261285 in words is "three million, two hundred sixty-one thousand, two hundred eighty-five".