2580256 has 24 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 1105728.

The previous prime is 2580251. The next prime is 2580287. The reversal of 2580256 is 6520852.

2580256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2580251) 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, 5536 + ... + 5983.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

2^2580256 is an apocalyptic number.

It is an amenable number.

2580256 is an abundant number, since it is smaller than the sum of its proper divisors (3225824).

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

2580256 is a wasteful number, since it uses less digits than its factorization.

2580256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11536 (or 11528 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2580256 is about 1606.3175277634. The cubic root of 2580256 is about 137.1579331971.

The spelling of 2580256 in words is "two million, five hundred eighty thousand, two hundred fifty-six".