506115831 has 8 divisors (see below), whose sum is σ = 726730480. Its totient is φ = 311455872.

The previous prime is 506115829. The next prime is 506115839. The reversal of 506115831 is 138511605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 506115831 - 2¹ = 506115829 is a prime.

It is a super-2 number, since 2×506115831² = 512306468777641122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506115839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6488626 + ... + 6488703.

It is an arithmetic number, because the mean of its divisors is an integer number (90841310).

Almost surely, 2^506115831 is an apocalyptic number.

506115831 is a deficient number, since it is larger than the sum of its proper divisors (220614649).

506115831 is a wasteful number, since it uses less digits than its factorization.

506115831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12977345.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 506115831 is about 22497.0182690951. The cubic root of 506115831 is about 796.9235128451.

The spelling of 506115831 in words is "five hundred six million, one hundred fifteen thousand, eight hundred thirty-one".