505375 has 16 divisors (see below), whose sum is σ = 681408. Its totient is φ = 372000.

The previous prime is 505369. The next prime is 505399. The reversal of 505375 is 573505.

It is a happy number.

It is not a de Polignac number, because 505375 - 2³ = 505367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1470 + ... + 1780.

It is an arithmetic number, because the mean of its divisors is an integer number (42588).

2⁵⁰⁵³⁷⁵ is an apocalyptic number.

505375 is a deficient number, since it is larger than the sum of its proper divisors (176033).

505375 is a wasteful number, since it uses less digits than its factorization.

505375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 505375 is about 710.8973202932. The cubic root of 505375 is about 79.6534488632.

The spelling of 505375 in words is "five hundred five thousand, three hundred seventy-five".