2255603 has 4 divisors (see below), whose sum is σ = 2577840. Its totient is φ = 1933368.

The previous prime is 2255581. The next prime is 2255609. The reversal of 2255603 is 3065522.

It is a happy number.

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 2255603 - 2¹⁰ = 2254579 is a prime.

It is a d-powerful number, because it can be written as 2³ + 2²¹ + 5⁷ + 5⁷ + 6 + 0 + 3⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2255609) 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, 161108 + ... + 161121.

It is an arithmetic number, because the mean of its divisors is an integer number (644460).

2^2255603 is an apocalyptic number.

2255603 is a deficient number, since it is larger than the sum of its proper divisors (322237).

2255603 is an equidigital number, since it uses as much as digits as its factorization.

2255603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322236.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2255603 is about 1501.8665053859. The cubic root of 2255603 is about 131.1457500219.

The spelling of 2255603 in words is "two million, two hundred fifty-five thousand, six hundred three".