2765256 has 32 divisors (see below), whose sum is σ = 7445760. Its totient is φ = 850752.

The previous prime is 2765251. The next prime is 2765281. The reversal of 2765256 is 6525672.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2765251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4120 + ... + 4743.

It is an arithmetic number, because the mean of its divisors is an integer number (232680).

2^2765256 is an apocalyptic number.

2765256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2765256 is an abundant number, since it is smaller than the sum of its proper divisors (4680504).

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

2765256 is a wasteful number, since it uses less digits than its factorization.

2765256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8885 (or 8881 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 2765256 is about 1662.9058903017. The cubic root of 2765256 is about 140.3605671680.

The spelling of 2765256 in words is "two million, seven hundred sixty-five thousand, two hundred fifty-six".