505753263 has 6 divisors (see below), whose sum is σ = 730532504. Its totient is φ = 337168836.

The previous prime is 505753253. The next prime is 505753291. The reversal of 505753263 is 362357505.

505753263 is a `hidden beast` number, since 50 + 575 + 32 + 6 + 3 = 666.

It is not a de Polignac number, because 505753263 - 2¹⁰ = 505752239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505753253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28097395 + ... + 28097412.

Almost surely, 2^505753263 is an apocalyptic number.

505753263 is a deficient number, since it is larger than the sum of its proper divisors (224779241).

505753263 is a wasteful number, since it uses less digits than its factorization.

505753263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56194813 (or 56194810 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 36.

The square root of 505753263 is about 22488.9586908776. The cubic root of 505753263 is about 796.7331690739.

The spelling of 505753263 in words is "five hundred five million, seven hundred fifty-three thousand, two hundred sixty-three".