506909043 has 16 divisors (see below), whose sum is σ = 795152160. Its totient is φ = 318060288.

The previous prime is 506909017. The next prime is 506909057. The reversal of 506909043 is 340909605.

It is not a de Polignac number, because 506909043 - 2¹² = 506904947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 506908989 and 506909007.

It is not an unprimeable number, because it can be changed into a prime (506902043) 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, 551730 + ... + 552647.

It is an arithmetic number, because the mean of its divisors is an integer number (49697010).

Almost surely, 2^506909043 is an apocalyptic number.

506909043 is a deficient number, since it is larger than the sum of its proper divisors (288243117).

506909043 is a wasteful number, since it uses less digits than its factorization.

506909043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104403 (or 1104397 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 506909043 is about 22514.6406367057. The cubic root of 506909043 is about 797.3396226934.

The spelling of 506909043 in words is "five hundred six million, nine hundred nine thousand, forty-three".