506547 has 16 divisors (see below), whose sum is σ = 763680. Its totient is φ = 331776.

The previous prime is 506537. The next prime is 506551. The reversal of 506547 is 745605.

506547 is a `hidden beast` number, since 5 + 0 + 654 + 7 = 666.

It is not a de Polignac number, because 506547 - 2⁴ = 506531 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 506547.

It is not an unprimeable number, because it can be changed into a prime (506507) 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 15 ways as a sum of consecutive naturals, for example, 1843 + ... + 2099.

It is an arithmetic number, because the mean of its divisors is an integer number (47730).

2⁵⁰⁶⁵⁴⁷ is an apocalyptic number.

506547 is a deficient number, since it is larger than the sum of its proper divisors (257133).

506547 is a wasteful number, since it uses less digits than its factorization.

506547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 506547 is about 711.7211532616. The cubic root of 506547 is about 79.7149753008.

The spelling of 506547 in words is "five hundred six thousand, five hundred forty-seven".