501275 has 6 divisors (see below), whose sum is σ = 621612. Its totient is φ = 401000.

The previous prime is 501271. The next prime is 501287. The reversal of 501275 is 572105.

It is not a de Polignac number, because 501275 - 2² = 501271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501271) 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, 10001 + ... + 10050.

It is an arithmetic number, because the mean of its divisors is an integer number (103602).

2⁵⁰¹²⁷⁵ is an apocalyptic number.

501275 is a deficient number, since it is larger than the sum of its proper divisors (120337).

501275 is a wasteful number, since it uses less digits than its factorization.

501275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20061 (or 20056 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 501275 is about 708.0077683190. The cubic root of 501275 is about 79.4374598794.

The spelling of 501275 in words is "five hundred one thousand, two hundred seventy-five".