509852243 has 2 divisors, whose sum is σ = 509852244. Its totient is φ = 509852242.

The previous prime is 509852227. The next prime is 509852249. The reversal of 509852243 is 342258905.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 509852243 - 2⁴ = 509852227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 509852197 and 509852206.

It is not a weakly prime, because it can be changed into another prime (509852249) 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, 254926121 + 254926122.

It is an arithmetic number, because the mean of its divisors is an integer number (254926122).

Almost surely, 2^509852243 is an apocalyptic number.

509852243 is a deficient number, since it is larger than the sum of its proper divisors (1).

509852243 is an equidigital number, since it uses as much as digits as its factorization.

509852243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 509852243 is about 22579.9079493252. The cubic root of 509852243 is about 798.8798087591.

The spelling of 509852243 in words is "five hundred nine million, eight hundred fifty-two thousand, two hundred forty-three".