3257256 has 16 divisors (see below), whose sum is σ = 8143200. Its totient is φ = 1085744.

The previous prime is 3257239. The next prime is 3257257. The reversal of 3257256 is 6527523.

3257256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3257257) 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 3 ways as a sum of consecutive naturals, for example, 67836 + ... + 67883.

It is an arithmetic number, because the mean of its divisors is an integer number (508950).

Almost surely, 2^3257256 is an apocalyptic number.

It is an amenable number.

3257256 is an abundant number, since it is smaller than the sum of its proper divisors (4885944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3257256 is a wasteful number, since it uses less digits than its factorization.

3257256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135728 (or 135724 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 3257256 is about 1804.7869680381. The cubic root of 3257256 is about 148.2349567227.

The spelling of 3257256 in words is "three million, two hundred fifty-seven thousand, two hundred fifty-six".