505275 has 12 divisors (see below), whose sum is σ = 835512. Its totient is φ = 269440.

The previous prime is 505237. The next prime is 505277. The reversal of 505275 is 572505.

It is not a de Polignac number, because 505275 - 2¹¹ = 503227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3294 + ... + 3443.

It is an arithmetic number, because the mean of its divisors is an integer number (69626).

2⁵⁰⁵²⁷⁵ is an apocalyptic number.

505275 is a deficient number, since it is larger than the sum of its proper divisors (330237).

505275 is a wasteful number, since it uses less digits than its factorization.

505275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6750 (or 6745 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 505275 is about 710.8269831682. The cubic root of 505275 is about 79.6481947646.

It can be divided in two parts, 505 and 275, that added together give a triangular number (780 = T₃₉).

The spelling of 505275 in words is "five hundred five thousand, two hundred seventy-five".