505025243 has 2 divisors, whose sum is σ = 505025244. Its totient is φ = 505025242.

The previous prime is 505025221. The next prime is 505025251. The reversal of 505025243 is 342520505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505025243 - 2⁶ = 505025179 is a prime.

It is not a weakly prime, because it can be changed into another prime (505225243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252512621 + 252512622.

It is an arithmetic number, because the mean of its divisors is an integer number (252512622).

Almost surely, 2^505025243 is an apocalyptic number.

505025243 is a deficient number, since it is larger than the sum of its proper divisors (1).

505025243 is an equidigital number, since it uses as much as digits as its factorization.

505025243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 505025243 is about 22472.7666966041. The cubic root of 505025243 is about 796.3506925688.

Adding to 505025243 its reverse (342520505), we get a palindrome (847545748).

The spelling of 505025243 in words is "five hundred five million, twenty-five thousand, two hundred forty-three".