2255523 has 4 divisors (see below), whose sum is σ = 3007368. Its totient is φ = 1503680.

The previous prime is 2255507. The next prime is 2255549. The reversal of 2255523 is 3255522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2255523 - 2⁴ = 2255507 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 2255493 and 2255502.

It is not an unprimeable number, because it can be changed into a prime (2255573) 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, 375918 + ... + 375923.

It is an arithmetic number, because the mean of its divisors is an integer number (751842).

2^2255523 is an apocalyptic number.

2255523 is a deficient number, since it is larger than the sum of its proper divisors (751845).

2255523 is an equidigital number, since it uses as much as digits as its factorization.

2255523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751844.

The product of its digits is 3000, while the sum is 24.

The square root of 2255523 is about 1501.8398716241. The cubic root of 2255523 is about 131.1441995446.

Subtracting 2255523 from its reverse (3255522), we obtain a palindrome (999999).

It can be divided in two parts, 22555 and 23, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 2255523 in words is "two million, two hundred fifty-five thousand, five hundred twenty-three".