506636143 has 6 divisors (see below), whose sum is σ = 548606184. Its totient is φ = 467663976.

The previous prime is 506636107. The next prime is 506636161. The reversal of 506636143 is 341636605.

It is not a de Polignac number, because 506636143 - 2⁹ = 506635631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506636099 and 506636108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506636183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1498755 + ... + 1499092.

It is an arithmetic number, because the mean of its divisors is an integer number (91434364).

Almost surely, 2^506636143 is an apocalyptic number.

506636143 is a deficient number, since it is larger than the sum of its proper divisors (41970041).

506636143 is a wasteful number, since it uses less digits than its factorization.

506636143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997873 (or 2997860 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 506636143 is about 22508.5793198949. The cubic root of 506636143 is about 797.1965115207.

It can be divided in two parts, 5066 and 36143, that added together give a square (41209 = 203²).

The spelling of 506636143 in words is "five hundred six million, six hundred thirty-six thousand, one hundred forty-three".