6368081 has 8 divisors (see below), whose sum is σ = 6975720. Its totient is φ = 5786368.

The previous prime is 6368071. The next prime is 6368083. The reversal of 6368081 is 1808636.

It can be written as a sum of positive squares in 4 ways, for example, as 1890625 + 4477456 = 1375^2 + 2116^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6368081 - 2¹⁰ = 6367057 is a prime.

It is a super-2 number, since 2×6368081² = 81104911245122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6368083) 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, 5966 + ... + 6951.

It is an arithmetic number, because the mean of its divisors is an integer number (871965).

Almost surely, 2^6368081 is an apocalyptic number.

It is an amenable number.

6368081 is a deficient number, since it is larger than the sum of its proper divisors (607639).

6368081 is a wasteful number, since it uses less digits than its factorization.

6368081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12963.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 6368081 is about 2523.5056964469. The cubic root of 6368081 is about 185.3543828061.

The spelling of 6368081 in words is "six million, three hundred sixty-eight thousand, eighty-one".