4505243 has 4 divisors (see below), whose sum is σ = 4516128. Its totient is φ = 4494360.

The previous prime is 4505233. The next prime is 4505257. The reversal of 4505243 is 3425054.

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 4505243 - 2⁴ = 4505227 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4505213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4796 + ... + 5657.

It is an arithmetic number, because the mean of its divisors is an integer number (1129032).

Almost surely, 2^4505243 is an apocalyptic number.

4505243 is a deficient number, since it is larger than the sum of its proper divisors (10885).

4505243 is a wasteful number, since it uses less digits than its factorization.

4505243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10884.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 4505243 is about 2122.5557707632. Note that the first 3 decimals coincide. The cubic root of 4505243 is about 165.1604560945.

The spelling of 4505243 in words is "four million, five hundred five thousand, two hundred forty-three".