500000015 has 8 divisors (see below), whose sum is σ = 600937008. Its totient is φ = 399375360.

The previous prime is 500000009. The next prime is 500000041. The reversal of 500000015 is 510000005.

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

It is not a de Polignac number, because 500000015 - 2¹⁰ = 499998991 is a prime.

It is a Duffinian number.

500000015 is a modest number, since divided by 15 gives 5 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 499999951 and 500000005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74546 + ... + 80975.

It is an arithmetic number, because the mean of its divisors is an integer number (75117126).

Almost surely, 2^500000015 is an apocalyptic number.

500000015 is a deficient number, since it is larger than the sum of its proper divisors (100936993).

500000015 is a wasteful number, since it uses less digits than its factorization.

500000015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156169.

The product of its (nonzero) digits is 25, while the sum is 11.

The square root of 500000015 is about 22360.6801104081. The cubic root of 500000015 is about 793.7005339211.

The spelling of 500000015 in words is "five hundred million, fifteen", and thus it is an aban number.