2265603 has 8 divisors (see below), whose sum is σ = 3038400. Its totient is φ = 1501608.

The previous prime is 2265589. The next prime is 2265611. The reversal of 2265603 is 3065622.

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

It is not a de Polignac number, because 2265603 - 2⁴ = 2265587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2265623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1573 + ... + 2646.

It is an arithmetic number, because the mean of its divisors is an integer number (379800).

2^2265603 is an apocalyptic number.

2265603 is a deficient number, since it is larger than the sum of its proper divisors (772797).

2265603 is a wasteful number, since it uses less digits than its factorization.

2265603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2265603 is about 1505.1920143291. The cubic root of 2265603 is about 131.3392716930.

The spelling of 2265603 in words is "two million, two hundred sixty-five thousand, six hundred three".