4481603 has 4 divisors (see below), whose sum is σ = 5121840. Its totient is φ = 3841368.

The previous prime is 4481599. The next prime is 4481611. The reversal of 4481603 is 3061844.

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 4481603 - 2² = 4481599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4481683) 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, 320108 + ... + 320121.

It is an arithmetic number, because the mean of its divisors is an integer number (1280460).

Almost surely, 2^4481603 is an apocalyptic number.

4481603 is a deficient number, since it is larger than the sum of its proper divisors (640237).

4481603 is an equidigital number, since it uses as much as digits as its factorization.

4481603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640236.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4481603 is about 2116.9796881406. The cubic root of 4481603 is about 164.8710716130.

The spelling of 4481603 in words is "four million, four hundred eighty-one thousand, six hundred three".