4513243 has 6 divisors (see below), whose sum is σ = 5250156. Its totient is φ = 3868452.

The previous prime is 4513213. The next prime is 4513247. The reversal of 4513243 is 3423154.

It is a de Polignac number, because none of the positive numbers 2^k-4513243 is a prime.

It is a Duffinian number.

4513243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4513247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46005 + ... + 46102.

It is an arithmetic number, because the mean of its divisors is an integer number (875026).

Almost surely, 2^4513243 is an apocalyptic number.

4513243 is a deficient number, since it is larger than the sum of its proper divisors (736913).

4513243 is an equidigital number, since it uses as much as digits as its factorization.

4513243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92121 (or 92114 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 4513243 is about 2124.4394554800. The cubic root of 4513243 is about 165.2581572505.

Adding to 4513243 its reverse (3423154), we get a palindrome (7936397).

The spelling of 4513243 in words is "four million, five hundred thirteen thousand, two hundred forty-three".