6501254500 has 48 divisors (see below), whose sum is σ = 15290965872. Its totient is φ = 2400460800.

The previous prime is 6501254479. The next prime is 6501254611. The reversal of 6501254500 is 54521056.

It can be written as a sum of positive squares in 8 ways, for example, as 1692664164 + 4808590336 = 41142^2 + 69344^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493597 + ... + 506596.

It is an arithmetic number, because the mean of its divisors is an integer number (318561789).

Almost surely, 2^6501254500 is an apocalyptic number.

It is an amenable number.

6501254500 is an abundant number, since it is smaller than the sum of its proper divisors (8789711372).

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

6501254500 is a wasteful number, since it uses less digits than its factorization.

6501254500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000225 (or 1000213 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 6501254500 is about 80630.3571863600. The cubic root of 6501254500 is about 1866.3756331276.

Adding to 6501254500 its reverse (54521056), we get a palindrome (6555775556).

The spelling of 6501254500 in words is "six billion, five hundred one million, two hundred fifty-four thousand, five hundred".