6560001 has 32 divisors (see below), whose sum is σ = 11308800. Its totient is φ = 3680640.

The previous prime is 6559981. The next prime is 6560017. The reversal of 6560001 is 1000656.

6560001 is a `hidden beast` number, since 65 + 600 + 0 + 1 = 666.

It is not a de Polignac number, because 6560001 - 2⁷ = 6559873 is a prime.

It is a super-2 number, since 2×6560001² = 86067226240002, which contains 22 as substring.

6560001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6561001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11245 + ... + 11813.

It is an arithmetic number, because the mean of its divisors is an integer number (353400).

Almost surely, 2^6560001 is an apocalyptic number.

6560001 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6560001 is the 1281-st decagonal number.

It is an amenable number.

6560001 is a deficient number, since it is larger than the sum of its proper divisors (4748799).

6560001 is a wasteful number, since it uses less digits than its factorization.

6560001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 6560001 is about 2561.2498901903. The cubic root of 6560001 is about 187.1980419749.

Adding to 6560001 its reverse (1000656), we get a palindrome (7560657).

The spelling of 6560001 in words is "six million, five hundred sixty thousand, one".