501015 has 16 divisors (see below), whose sum is σ = 811008. Its totient is φ = 264096.

The previous prime is 501013. The next prime is 501019. The reversal of 501015 is 510105.

It is not a de Polignac number, because 501015 - 2¹ = 501013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501013) 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 15 ways as a sum of consecutive naturals, for example, 1774 + ... + 2036.

It is an arithmetic number, because the mean of its divisors is an integer number (50688).

2⁵⁰¹⁰¹⁵ is an apocalyptic number.

501015 is a deficient number, since it is larger than the sum of its proper divisors (309993).

501015 is a wasteful number, since it uses less digits than its factorization.

501015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398.

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 501015 is about 707.8241306991. The cubic root of 501015 is about 79.4237233665.

The spelling of 501015 in words is "five hundred one thousand, fifteen".