3255561 has 12 divisors (see below), whose sum is σ = 4782960. Its totient is φ = 2133240.

The previous prime is 3255559. The next prime is 3255583. The reversal of 3255561 is 1655523.

It is not a de Polignac number, because 3255561 - 2¹ = 3255559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3255661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2535 + ... + 3596.

It is an arithmetic number, because the mean of its divisors is an integer number (398580).

Almost surely, 2^3255561 is an apocalyptic number.

It is an amenable number.

3255561 is a deficient number, since it is larger than the sum of its proper divisors (1527399).

3255561 is a wasteful number, since it uses less digits than its factorization.

3255561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6196 (or 6193 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 3255561 is about 1804.3173224242. The cubic root of 3255561 is about 148.2092395907.

It can be divided in two parts, 325 and 5561, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 3255561 in words is "three million, two hundred fifty-five thousand, five hundred sixty-one".