5220742243 has 2 divisors, whose sum is σ = 5220742244. Its totient is φ = 5220742242.

The previous prime is 5220742237. The next prime is 5220742277. The reversal of 5220742243 is 3422470225.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5220742243 is a prime.

It is a super-2 number, since 2×5220742243² = 54512299135689342098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5220742213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610371121 + 2610371122.

It is an arithmetic number, because the mean of its divisors is an integer number (2610371122).

Almost surely, 2^5220742243 is an apocalyptic number.

5220742243 is a deficient number, since it is larger than the sum of its proper divisors (1).

5220742243 is an equidigital number, since it uses as much as digits as its factorization.

5220742243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 5220742243 is about 72254.7039506771. The cubic root of 5220742243 is about 1734.7787112402.

The spelling of 5220742243 in words is "five billion, two hundred twenty million, seven hundred forty-two thousand, two hundred forty-three".