4505403 has 12 divisors (see below), whose sum is σ = 6988200. Its totient is φ = 2574432.

The previous prime is 4505393. The next prime is 4505419. The reversal of 4505403 is 3045054.

It is a happy number.

It is not a de Polignac number, because 4505403 - 2⁹ = 4504891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

4505403 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4505403.

It is not an unprimeable number, because it can be changed into a prime (4505003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15178 + ... + 15471.

It is an arithmetic number, because the mean of its divisors is an integer number (582350).

Almost surely, 2^4505403 is an apocalyptic number.

4505403 is a deficient number, since it is larger than the sum of its proper divisors (2482797).

4505403 is a wasteful number, since it uses less digits than its factorization.

4505403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30666 (or 30659 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 4505403 is about 2122.5934608398. The cubic root of 4505403 is about 165.1624112506.

The spelling of 4505403 in words is "four million, five hundred five thousand, four hundred three".