506408243 has 12 divisors (see below), whose sum is σ = 558092904. Its totient is φ = 455712000.

The previous prime is 506408207. The next prime is 506408263. The reversal of 506408243 is 342804605.

It is not a de Polignac number, because 506408243 - 2⁸ = 506407987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506408263) 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 11 ways as a sum of consecutive naturals, for example, 109955 + ... + 114467.

It is an arithmetic number, because the mean of its divisors is an integer number (46507742).

Almost surely, 2^506408243 is an apocalyptic number.

506408243 is a deficient number, since it is larger than the sum of its proper divisors (51684661).

506408243 is a wasteful number, since it uses less digits than its factorization.

506408243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726 (or 4625 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 506408243 is about 22503.5162363574. The cubic root of 506408243 is about 797.0769593621.

The spelling of 506408243 in words is "five hundred six million, four hundred eight thousand, two hundred forty-three".