2208523 has 4 divisors (see below), whose sum is σ = 2259928. Its totient is φ = 2157120.

The previous prime is 2208517. The next prime is 2208559. The reversal of 2208523 is 3258022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3258022 = 2 ⋅1629011.

It is a cyclic number.

It is not a de Polignac number, because 2208523 - 2⁵ = 2208491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2208494 and 2208503.

It is not an unprimeable number, because it can be changed into a prime (2208823) 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, 25638 + ... + 25723.

It is an arithmetic number, because the mean of its divisors is an integer number (564982).

2^2208523 is an apocalyptic number.

2208523 is a deficient number, since it is larger than the sum of its proper divisors (51405).

2208523 is an equidigital number, since it uses as much as digits as its factorization.

2208523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51404.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2208523 is about 1486.1100228449. The cubic root of 2208523 is about 130.2268819115.

The spelling of 2208523 in words is "two million, two hundred eight thousand, five hundred twenty-three".