6501081 has 8 divisors (see below), whose sum is σ = 8706880. Its totient is φ = 4314672.

The previous prime is 6501073. The next prime is 6501091. The reversal of 6501081 is 1801056.

6501081 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6501081 - 2³ = 6501073 is a prime.

It is a super-2 number, since 2×6501081² = 84528108337122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6501031) 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, 4045 + ... + 5418.

It is an arithmetic number, because the mean of its divisors is an integer number (1088360).

Almost surely, 2^6501081 is an apocalyptic number.

It is an amenable number.

6501081 is a deficient number, since it is larger than the sum of its proper divisors (2205799).

6501081 is a wasteful number, since it uses less digits than its factorization.

6501081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9695.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 6501081 is about 2549.7217495248. The cubic root of 6501081 is about 186.6359030227.

The spelling of 6501081 in words is "six million, five hundred one thousand, eighty-one".