5728243 has 2 divisors, whose sum is σ = 5728244. Its totient is φ = 5728242.

The previous prime is 5728241. The next prime is 5728271. The reversal of 5728243 is 3428275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5728243 - 2¹ = 5728241 is a prime.

Together with 5728241, it forms a pair of twin primes.

It is an Ulam number.

5728243 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5728241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2864121 + 2864122.

It is an arithmetic number, because the mean of its divisors is an integer number (2864122).

Almost surely, 2^5728243 is an apocalyptic number.

5728243 is a deficient number, since it is larger than the sum of its proper divisors (1).

5728243 is an equidigital number, since it uses as much as digits as its factorization.

5728243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 31.

The square root of 5728243 is about 2393.3748139395. The cubic root of 5728243 is about 178.9261474517.

Subtracting from 5728243 its reverse (3428275), we obtain a cube (2299968 = 132³).

The spelling of 5728243 in words is "five million, seven hundred twenty-eight thousand, two hundred forty-three".