6525251000 has 64 divisors (see below), whose sum is σ = 15478426080. Its totient is φ = 2574316800.

The previous prime is 6525250999. The next prime is 6525251011. The reversal of 6525251000 is 1525256.

It is a super-2 number, since 2×6525251000² = 85157801226002000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28307 + ... + 117693.

Almost surely, 2^6525251000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6525251000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7739213040).

6525251000 is an abundant number, since it is smaller than the sum of its proper divisors (8953175080).

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

6525251000 is a wasteful number, since it uses less digits than its factorization.

6525251000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89481 (or 89467 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 6525251000 is about 80779.0257430727. The cubic root of 6525251000 is about 1868.6691131755.

Adding to 6525251000 its reverse (1525256), we get a palindrome (6526776256).

The spelling of 6525251000 in words is "six billion, five hundred twenty-five million, two hundred fifty-one thousand".