6520008241 has 8 divisors (see below), whose sum is σ = 6651363968. Its totient is φ = 6389442000.

The previous prime is 6520008227. The next prime is 6520008263. The reversal of 6520008241 is 1428000256.

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 6520008241 - 2⁹ = 6520007729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6520008211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180675 + ... + 213736.

It is an arithmetic number, because the mean of its divisors is an integer number (831420496).

Almost surely, 2^6520008241 is an apocalyptic number.

6520008241 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6520008241 is a deficient number, since it is larger than the sum of its proper divisors (131355727).

6520008241 is a wasteful number, since it uses less digits than its factorization.

6520008241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394743.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 6520008241 is about 80746.5679827942. The cubic root of 6520008241 is about 1868.1685139495.

Adding to 6520008241 its reverse (1428000256), we get a palindrome (7948008497).

The spelling of 6520008241 in words is "six billion, five hundred twenty million, eight thousand, two hundred forty-one".