505763 has 2 divisors, whose sum is σ = 505764. Its totient is φ = 505762.

The previous prime is 505759. The next prime is 505777. The reversal of 505763 is 367505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505763 - 2² = 505759 is a prime.

It is not a weakly prime, because it can be changed into another prime (505663) 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, 252881 + 252882.

It is an arithmetic number, because the mean of its divisors is an integer number (252882).

2⁵⁰⁵⁷⁶³ is an apocalyptic number.

505763 is a deficient number, since it is larger than the sum of its proper divisors (1).

505763 is an equidigital number, since it uses as much as digits as its factorization.

505763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 505763 is about 711.1701624787. The cubic root of 505763 is about 79.6738282068.

The spelling of 505763 in words is "five hundred five thousand, seven hundred sixty-three".