505047 has 8 divisors (see below), whose sum is σ = 682240. Its totient is φ = 332280.

The previous prime is 505033. The next prime is 505049. The reversal of 505047 is 740505.

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

It is not a de Polignac number, because 505047 - 2⁴ = 505031 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 (505049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829 + ... + 1302.

It is an arithmetic number, because the mean of its divisors is an integer number (85280).

2⁵⁰⁵⁰⁴⁷ is an apocalyptic number.

505047 is a deficient number, since it is larger than the sum of its proper divisors (177193).

505047 is a wasteful number, since it uses less digits than its factorization.

505047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 505047 is about 710.6665884928. Note that the first 3 decimals coincide. The cubic root of 505047 is about 79.6362128270.

The spelling of 505047 in words is "five hundred five thousand, forty-seven".