505107 has 6 divisors (see below), whose sum is σ = 729612. Its totient is φ = 336732.

The previous prime is 505097. The next prime is 505111. The reversal of 505107 is 701505.

It is a happy number.

It is not a de Polignac number, because 505107 - 2⁴ = 505091 is a prime.

It is an Ulam number.

505107 is a lucky number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 505107.

It is not an unprimeable number, because it can be changed into a prime (505117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28053 + ... + 28070.

It is an arithmetic number, because the mean of its divisors is an integer number (121602).

2⁵⁰⁵¹⁰⁷ is an apocalyptic number.

505107 is a deficient number, since it is larger than the sum of its proper divisors (224505).

505107 is a wasteful number, since it uses less digits than its factorization.

505107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56129 (or 56126 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The square root of 505107 is about 710.7088011274. The cubic root of 505107 is about 79.6393663180.

The spelling of 505107 in words is "five hundred five thousand, one hundred seven".