525252505000 has 80 divisors (see below), whose sum is σ = 1239521976000. Its totient is φ = 208589208000.

The previous prime is 525252504991. The next prime is 525252505003. The reversal of 525252505000 is 505252525.

It is not an unprimeable number, because it can be changed into a prime (525252505003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 317121 + ... + 1072879.

It is an arithmetic number, because the mean of its divisors is an integer number (15494024700).

Almost surely, 2^525252505000 is an apocalyptic number.

525252505000 is a gapful number since it is divisible by the number (50) 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 525252505000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619760988000).

525252505000 is an abundant number, since it is smaller than the sum of its proper divisors (714269471000).

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

525252505000 is a wasteful number, since it uses less digits than its factorization.

525252505000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755924 (or 755905 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

Adding to 525252505000 its reverse (505252525), we get a palindrome (525757757525).

The spelling of 525252505000 in words is "five hundred twenty-five billion, two hundred fifty-two million, five hundred five thousand".