6525944520 has 32 divisors (see below), whose sum is σ = 19577833920. Its totient is φ = 1740251840.

The previous prime is 6525944483. The next prime is 6525944521. The reversal of 6525944520 is 254495256.

It is not an unprimeable number, because it can be changed into a prime (6525944521) 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 7 ways as a sum of consecutive naturals, for example, 27191316 + ... + 27191555.

It is an arithmetic number, because the mean of its divisors is an integer number (611807310).

Almost surely, 2^6525944520 is an apocalyptic number.

6525944520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6525944520 is an abundant number, since it is smaller than the sum of its proper divisors (13051889400).

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

6525944520 is a wasteful number, since it uses less digits than its factorization.

6525944520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54382885 (or 54382881 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The square root of 6525944520 is about 80783.3183274864. The cubic root of 6525944520 is about 1868.7353131063.

The spelling of 6525944520 in words is "six billion, five hundred twenty-five million, nine hundred forty-four thousand, five hundred twenty".