505100047 has 16 divisors (see below), whose sum is σ = 551433600. Its totient is φ = 460827360.

The previous prime is 505100041. The next prime is 505100051. The reversal of 505100047 is 740001505.

It is a cyclic number.

It is not a de Polignac number, because 505100047 - 2⁷ = 505099919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505100041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 269608 + ... + 271474.

It is an arithmetic number, because the mean of its divisors is an integer number (34464600).

Almost surely, 2^505100047 is an apocalyptic number.

505100047 is a deficient number, since it is larger than the sum of its proper divisors (46333553).

505100047 is a wasteful number, since it uses less digits than its factorization.

505100047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 505100047 is about 22474.4309605382. The cubic root of 505100047 is about 796.3900089377.

The spelling of 505100047 in words is "five hundred five million, one hundred thousand, forty-seven".