8553243 has 4 divisors (see below), whose sum is σ = 11404328. Its totient is φ = 5702160.

The previous prime is 8553229. The next prime is 8553247. The reversal of 8553243 is 3423558.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8553243 - 2¹³ = 8545051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8553243.

It is not an unprimeable number, because it can be changed into a prime (8553247) 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, 1425538 + ... + 1425543.

It is an arithmetic number, because the mean of its divisors is an integer number (2851082).

Almost surely, 2^8553243 is an apocalyptic number.

8553243 is a deficient number, since it is larger than the sum of its proper divisors (2851085).

8553243 is a wasteful number, since it uses less digits than its factorization.

8553243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851084.

The product of its digits is 14400, while the sum is 30.

The square root of 8553243 is about 2924.5927921678. The cubic root of 8553243 is about 204.5079852534.

The spelling of 8553243 in words is "eight million, five hundred fifty-three thousand, two hundred forty-three".