505763117 has 2 divisors, whose sum is σ = 505763118. Its totient is φ = 505763116.

The previous prime is 505763113. The next prime is 505763129. The reversal of 505763117 is 711367505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455438281 + 50324836 = 21341^2 + 7094^2 .

It is a cyclic number.

It is not a de Polignac number, because 505763117 - 2² = 505763113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505763113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252881558 + 252881559.

It is an arithmetic number, because the mean of its divisors is an integer number (252881559).

Almost surely, 2^505763117 is an apocalyptic number.

It is an amenable number.

505763117 is a deficient number, since it is larger than the sum of its proper divisors (1).

505763117 is an equidigital number, since it uses as much as digits as its factorization.

505763117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 505763117 is about 22489.1777750988. The cubic root of 505763117 is about 796.7383435059.

The spelling of 505763117 in words is "five hundred five million, seven hundred sixty-three thousand, one hundred seventeen".