501875 has 20 divisors (see below), whose sum is σ = 693528. Its totient is φ = 360000.

The previous prime is 501863. The next prime is 501889. The reversal of 501875 is 578105.

It is not a de Polignac number, because 501875 - 2¹⁸ = 239731 is a prime.

It is an Ulam number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 6839 + ... + 6911.

2⁵⁰¹⁸⁷⁵ is an apocalyptic number.

501875 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

501875 is a deficient number, since it is larger than the sum of its proper divisors (191653).

501875 is an equidigital number, since it uses as much as digits as its factorization.

501875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 501875 is about 708.4313657652. The cubic root of 501875 is about 79.4691414062.

The spelling of 501875 in words is "five hundred one thousand, eight hundred seventy-five".