3261256 has 8 divisors (see below), whose sum is σ = 6114870. Its totient is φ = 1630624.

The previous prime is 3261241. The next prime is 3261257. The reversal of 3261256 is 6521623.

It can be written as a sum of positive squares in only one way, i.e., 2722500 + 538756 = 1650^2 + 734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3261256.

It is not an unprimeable number, because it can be changed into a prime (3261257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203821 + ... + 203836.

Almost surely, 2^3261256 is an apocalyptic number.

It is an amenable number.

3261256 is a deficient number, since it is larger than the sum of its proper divisors (2853614).

3261256 is a wasteful number, since it uses less digits than its factorization.

3261256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407663 (or 407659 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 3261256 is about 1805.8947920629. The cubic root of 3261256 is about 148.2956107698.

Adding to 3261256 its reverse (6521623), we get a palindrome (9782879).

The spelling of 3261256 in words is "three million, two hundred sixty-one thousand, two hundred fifty-six".