506711081 has 8 divisors (see below), whose sum is σ = 509800704. Its totient is φ = 503629200.

The previous prime is 506711071. The next prime is 506711083. The reversal of 506711081 is 180117605.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506711081 is a prime.

It is a super-3 number, since 3×506711081³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506711083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176306 + ... + 179156.

It is an arithmetic number, because the mean of its divisors is an integer number (63725088).

Almost surely, 2^506711081 is an apocalyptic number.

It is an amenable number.

506711081 is a deficient number, since it is larger than the sum of its proper divisors (3089623).

506711081 is a wasteful number, since it uses less digits than its factorization.

506711081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 506711081 is about 22510.2439124946. The cubic root of 506711081 is about 797.2358147878.

Adding to 506711081 its reverse (180117605), we get a palindrome (686828686).

The spelling of 506711081 in words is "five hundred six million, seven hundred eleven thousand, eighty-one".