2825256 has 64 divisors (see below), whose sum is σ = 8225280. Its totient is φ = 792000.

The previous prime is 2825239. The next prime is 2825261. The reversal of 2825256 is 6525282.

2825256 = 100² + 101² + ... + 211².

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11131 + ... + 11381.

It is an arithmetic number, because the mean of its divisors is an integer number (128520).

2^2825256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2825256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4112640).

2825256 is an abundant number, since it is smaller than the sum of its proper divisors (5400024).

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

2825256 is a wasteful number, since it uses less digits than its factorization.

2825256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 330 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 2825256 is about 1680.8497850790. The cubic root of 2825256 is about 141.3684843940.

It can be divided in two parts, 2825 and 256, that added together give a triangular number (3081 = T₇₈).

The spelling of 2825256 in words is "two million, eight hundred twenty-five thousand, two hundred fifty-six".