6501006 has 32 divisors (see below), whose sum is σ = 14572800. Its totient is φ = 2148120.

The previous prime is 6500981. The next prime is 6501007. The reversal of 6501006 is 6001056.

6501006 is a `hidden beast` number, since 650 + 10 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 6501006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6501007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6615 + ... + 7533.

It is an arithmetic number, because the mean of its divisors is an integer number (455400).

Almost surely, 2^6501006 is an apocalyptic number.

6501006 is an abundant number, since it is smaller than the sum of its proper divisors (8071794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6501006 is a wasteful number, since it uses less digits than its factorization.

6501006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1055 counting only the distinct ones).

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

The square root of 6501006 is about 2549.7070419952. The cubic root of 6501006 is about 186.6351853089.

The spelling of 6501006 in words is "six million, five hundred one thousand, six".