6525142500 has 120 divisors (see below), whose sum is σ = 19468992928. Its totient is φ = 1699488000.

The previous prime is 6525142499. The next prime is 6525142531. The reversal of 6525142500 is 52415256.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 312384 + ... + 332616.

Almost surely, 2^6525142500 is an apocalyptic number.

6525142500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6525142500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9734496464).

6525142500 is an abundant number, since it is smaller than the sum of its proper divisors (12943850428).

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

6525142500 is a wasteful number, since it uses less digits than its factorization.

6525142500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20303 (or 20286 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 6525142500 is about 80778.3541550581. The cubic root of 6525142500 is about 1868.6587558869.

Adding to 6525142500 its reverse (52415256), we get a palindrome (6577557756).

The spelling of 6525142500 in words is "six billion, five hundred twenty-five million, one hundred forty-two thousand, five hundred".