505055743 has 2 divisors, whose sum is σ = 505055744. Its totient is φ = 505055742.

The previous prime is 505055741. The next prime is 505055791. The reversal of 505055743 is 347550505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505055743 - 2¹ = 505055741 is a prime.

Together with 505055741, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 505055699 and 505055708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505055741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252527871 + 252527872.

It is an arithmetic number, because the mean of its divisors is an integer number (252527872).

Almost surely, 2^505055743 is an apocalyptic number.

505055743 is a deficient number, since it is larger than the sum of its proper divisors (1).

505055743 is an equidigital number, since it uses as much as digits as its factorization.

505055743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 505055743 is about 22473.4452854919. The cubic root of 505055743 is about 796.3667235874.

The spelling of 505055743 in words is "five hundred five million, fifty-five thousand, seven hundred forty-three".