500006505 has 16 divisors (see below), whose sum is σ = 815106240. Its totient is φ = 261638208.

The previous prime is 500006501. The next prime is 500006519. The reversal of 500006505 is 505600005.

It is not a de Polignac number, because 500006505 - 2² = 500006501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (500006501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313675 + ... + 315264.

It is an arithmetic number, because the mean of its divisors is an integer number (50944140).

Almost surely, 2^500006505 is an apocalyptic number.

It is an amenable number.

500006505 is a deficient number, since it is larger than the sum of its proper divisors (315099735).

500006505 is a wasteful number, since it uses less digits than its factorization.

500006505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629000.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 500006505 is about 22360.8252307467. The cubic root of 500006505 is about 793.7039679838.

The spelling of 500006505 in words is "five hundred million, six thousand, five hundred five".