506006647 has 4 divisors (see below), whose sum is σ = 528006960. Its totient is φ = 484006336.

The previous prime is 506006639. The next prime is 506006659. The reversal of 506006647 is 746600605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 506006647 - 2³ = 506006639 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 (506006617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11000122 + ... + 11000167.

It is an arithmetic number, because the mean of its divisors is an integer number (132001740).

Almost surely, 2^506006647 is an apocalyptic number.

506006647 is a deficient number, since it is larger than the sum of its proper divisors (22000313).

506006647 is a wasteful number, since it uses less digits than its factorization.

506006647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22000312.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 506006647 is about 22494.5915055153. The cubic root of 506006647 is about 796.8662021471.

The spelling of 506006647 in words is "five hundred six million, six thousand, six hundred forty-seven".