2256753 has 4 divisors (see below), whose sum is σ = 3009008. Its totient is φ = 1504500.

The previous prime is 2256743. The next prime is 2256781. The reversal of 2256753 is 3576522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2256753 - 2⁵ = 2256721 is a prime.

It is a D-number.

It is a Duffinian number.

2256753 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2256753.

It is not an unprimeable number, because it can be changed into a prime (2256703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376123 + ... + 376128.

It is an arithmetic number, because the mean of its divisors is an integer number (752252).

2^2256753 is an apocalyptic number.

It is an amenable number.

2256753 is a deficient number, since it is larger than the sum of its proper divisors (752255).

2256753 is an equidigital number, since it uses as much as digits as its factorization.

2256753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752254.

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

The square root of 2256753 is about 1502.2493135295. The cubic root of 2256753 is about 131.1680340835.

The spelling of 2256753 in words is "two million, two hundred fifty-six thousand, seven hundred fifty-three".