11245603 has 4 divisors (see below), whose sum is σ = 11519928. Its totient is φ = 10971280.

The previous prime is 11245583. The next prime is 11245607. The reversal of 11245603 is 30654211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30654211 = 7 ⋅4379173.

It is a cyclic number.

It is not a de Polignac number, because 11245603 - 2¹³ = 11237411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11245607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137101 + ... + 137182.

It is an arithmetic number, because the mean of its divisors is an integer number (2879982).

Almost surely, 2^11245603 is an apocalyptic number.

11245603 is a deficient number, since it is larger than the sum of its proper divisors (274325).

11245603 is an equidigital number, since it uses as much as digits as its factorization.

11245603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274324.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 11245603 is about 3353.4464361310. The cubic root of 11245603 is about 224.0410413214.

Adding to 11245603 its reverse (30654211), we get a palindrome (41899814).

The spelling of 11245603 in words is "eleven million, two hundred forty-five thousand, six hundred three".