6530827181 has 4 divisors (see below), whose sum is σ = 6531084000. Its totient is φ = 6530570364.

The previous prime is 6530827159. The next prime is 6530827241. The reversal of 6530827181 is 1817280356.

6530827181 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6530827181 is a prime.

It is a super-2 number, since 2×6530827181² = 85303407336176813522, 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 (6530827111) 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, 85481 + ... + 142718.

It is an arithmetic number, because the mean of its divisors is an integer number (1632771000).

Almost surely, 2^6530827181 is an apocalyptic number.

It is an amenable number.

6530827181 is a deficient number, since it is larger than the sum of its proper divisors (256819).

6530827181 is a wasteful number, since it uses less digits than its factorization.

6530827181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256818.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 6530827181 is about 80813.5334025187. The cubic root of 6530827181 is about 1869.2012546696.

The spelling of 6530827181 in words is "six billion, five hundred thirty million, eight hundred twenty-seven thousand, one hundred eighty-one".