506285243 has 2 divisors, whose sum is σ = 506285244. Its totient is φ = 506285242.

The previous prime is 506285239. The next prime is 506285293. The reversal of 506285243 is 342582605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506285243 - 2² = 506285239 is a prime.

It is not a weakly prime, because it can be changed into another prime (506285233) 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, 253142621 + 253142622.

It is an arithmetic number, because the mean of its divisors is an integer number (253142622).

Almost surely, 2^506285243 is an apocalyptic number.

506285243 is a deficient number, since it is larger than the sum of its proper divisors (1).

506285243 is an equidigital number, since it uses as much as digits as its factorization.

506285243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 506285243 is about 22500.7831641479. The cubic root of 506285243 is about 797.0124209151.

The spelling of 506285243 in words is "five hundred six million, two hundred eighty-five thousand, two hundred forty-three".