6512505000 has 80 divisors (see below), whose sum is σ = 20345112480. Its totient is φ = 1736664000.

The previous prime is 6512504987. The next prime is 6512505001. The reversal of 6512505000 is 5052156.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (6512505001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 202084 + ... + 232083.

It is an arithmetic number, because the mean of its divisors is an integer number (254313906).

Almost surely, 2^6512505000 is an apocalyptic number.

6512505000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6512505000 is an abundant number, since it is smaller than the sum of its proper divisors (13832607480).

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

6512505000 is a wasteful number, since it uses less digits than its factorization.

6512505000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434196 (or 434177 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 6512505000 is about 80700.0929367495. The cubic root of 6512505000 is about 1867.4516079495.

Adding to 6512505000 its reverse (5052156), we get a palindrome (6517557156).

The spelling of 6512505000 in words is "six billion, five hundred twelve million, five hundred five thousand".