6501841 has 4 divisors (see below), whose sum is σ = 6543412. Its totient is φ = 6460272.

The previous prime is 6501827. The next prime is 6501863. The reversal of 6501841 is 1481056.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3594816 + 2907025 = 1896^2 + 1705^2 .

It is a cyclic number.

It is not a de Polignac number, because 6501841 - 2⁵ = 6501809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6501241) 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, 20550 + ... + 20863.

It is an arithmetic number, because the mean of its divisors is an integer number (1635853).

Almost surely, 2^6501841 is an apocalyptic number.

It is an amenable number.

6501841 is a deficient number, since it is larger than the sum of its proper divisors (41571).

6501841 is a wasteful number, since it uses less digits than its factorization.

6501841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41570.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 6501841 is about 2549.8707810397. The cubic root of 6501841 is about 186.6431755444.

Adding to 6501841 its reverse (1481056), we get a palindrome (7982897).

The spelling of 6501841 in words is "six million, five hundred one thousand, eight hundred forty-one".