505000015 has 16 divisors (see below), whose sum is σ = 655726176. Its totient is φ = 371145600.

The previous prime is 505000003. The next prime is 505000033. The reversal of 505000015 is 510000505.

It is not a de Polignac number, because 505000015 - 2⁹ = 504999503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4696 + ... + 32125.

It is an arithmetic number, because the mean of its divisors is an integer number (40982886).

Almost surely, 2^505000015 is an apocalyptic number.

505000015 is a deficient number, since it is larger than the sum of its proper divisors (150726161).

505000015 is a wasteful number, since it uses less digits than its factorization.

505000015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37050.

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

The square root of 505000015 is about 22472.2053879898. The cubic root of 505000015 is about 796.3374320635.

The spelling of 505000015 in words is "five hundred five million, fifteen", and thus it is an aban number.