3255681 has 16 divisors (see below), whose sum is σ = 5100480. Its totient is φ = 1821120.

The previous prime is 3255671. The next prime is 3255683. The reversal of 3255681 is 1865523.

It is not a de Polignac number, because 3255681 - 2⁵ = 3255649 is a prime.

It is a super-2 number, since 2×3255681² = 21198917547522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3255683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3366 + ... + 4223.

It is an arithmetic number, because the mean of its divisors is an integer number (318780).

Almost surely, 2^3255681 is an apocalyptic number.

It is an amenable number.

3255681 is a deficient number, since it is larger than the sum of its proper divisors (1844799).

3255681 is a wasteful number, since it uses less digits than its factorization.

3255681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7616.

The product of its digits is 7200, while the sum is 30.

The square root of 3255681 is about 1804.3505756920. The cubic root of 3255681 is about 148.2110605662.

It can be divided in two parts, 325 and 5681, that added together give a palindrome (6006).

The spelling of 3255681 in words is "three million, two hundred fifty-five thousand, six hundred eighty-one".