501505 has 8 divisors (see below), whose sum is σ = 633600. Its totient is φ = 380016.

The previous prime is 501503. The next prime is 501511. The reversal of 501505 is 505105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 501505 - 2¹ = 501503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (501503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2545 + ... + 2734.

It is an arithmetic number, because the mean of its divisors is an integer number (79200).

2⁵⁰¹⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

501505 is a deficient number, since it is larger than the sum of its proper divisors (132095).

501505 is a wasteful number, since it uses less digits than its factorization.

501505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303.

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 501505 is about 708.1701772879. The cubic root of 501505 is about 79.4496074511.

Subtracting 501505 from its reverse (505105), we obtain a square (3600 = 60²).

The spelling of 501505 in words is "five hundred one thousand, five hundred five".