2256751 has 8 divisors (see below), whose sum is σ = 2668320. Its totient is φ = 1867488.

The previous prime is 2256743. The next prime is 2256781. The reversal of 2256751 is 1576522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2256751 - 2³ = 2256743 is a prime.

It is a pancake number, because a pancake can be divided into 2256751 parts by 2124 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256721) 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, 5356 + ... + 5761.

It is an arithmetic number, because the mean of its divisors is an integer number (333540).

2^2256751 is an apocalyptic number.

2256751 is a deficient number, since it is larger than the sum of its proper divisors (411569).

2256751 is a wasteful number, since it uses less digits than its factorization.

2256751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11153.

The product of its digits is 4200, while the sum is 28.

The square root of 2256751 is about 1502.2486478609. The cubic root of 2256751 is about 131.1679953352.

The spelling of 2256751 in words is "two million, two hundred fifty-six thousand, seven hundred fifty-one".