505425203 has 2 divisors, whose sum is σ = 505425204. Its totient is φ = 505425202.

The previous prime is 505425149. The next prime is 505425301. The reversal of 505425203 is 302524505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505425203 - 2¹⁸ = 505163059 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (505425703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252712601 + 252712602.

It is an arithmetic number, because the mean of its divisors is an integer number (252712602).

Almost surely, 2^505425203 is an apocalyptic number.

505425203 is a deficient number, since it is larger than the sum of its proper divisors (1).

505425203 is an equidigital number, since it uses as much as digits as its factorization.

505425203 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 505425203 is about 22481.6637062296. The cubic root of 505425203 is about 796.5608631707.

Adding to 505425203 its reverse (302524505), we get a palindrome (807949708).

The spelling of 505425203 in words is "five hundred five million, four hundred twenty-five thousand, two hundred three".