506559043 has 4 divisors (see below), whose sum is σ = 512662248. Its totient is φ = 500455840.

The previous prime is 506559029. The next prime is 506559071. The reversal of 506559043 is 340955605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340955605 = 5 ⋅68191121.

It is a cyclic number.

It is not a de Polignac number, because 506559043 - 2¹³ = 506550851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506558993 and 506559011.

It is not an unprimeable number, because it can be changed into a prime (506559023) 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, 3051478 + ... + 3051643.

It is an arithmetic number, because the mean of its divisors is an integer number (128165562).

Almost surely, 2^506559043 is an apocalyptic number.

506559043 is a deficient number, since it is larger than the sum of its proper divisors (6103205).

506559043 is an equidigital number, since it uses as much as digits as its factorization.

506559043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103204.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 506559043 is about 22506.8665744479. The cubic root of 506559043 is about 797.1560702889.

The spelling of 506559043 in words is "five hundred six million, five hundred fifty-nine thousand, forty-three".