505271117 has 8 divisors (see below), whose sum is σ = 545309856. Its totient is φ = 465399792.

The previous prime is 505271083. The next prime is 505271131. The reversal of 505271117 is 711172505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505271117 - 2¹⁰ = 505270093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505271117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505271017) 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 7 ways as a sum of consecutive naturals, for example, 35543 + ... + 47684.

It is an arithmetic number, because the mean of its divisors is an integer number (68163732).

Almost surely, 2^505271117 is an apocalyptic number.

It is an amenable number.

505271117 is a deficient number, since it is larger than the sum of its proper divisors (40038739).

505271117 is a wasteful number, since it uses less digits than its factorization.

505271117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83707.

The product of its (nonzero) digits is 2450, while the sum is 29.

The square root of 505271117 is about 22478.2365189087. The cubic root of 505271117 is about 796.4799073396.

The spelling of 505271117 in words is "five hundred five million, two hundred seventy-one thousand, one hundred seventeen".