525000250000 has 70 divisors (see below), whose sum is σ = 1271469310922. Its totient is φ = 210000000000.

The previous prime is 525000249913. The next prime is 525000250003. The reversal of 525000250000 is 52000525.

It can be written as a sum of positive squares in 7 ways, for example, as 464649449104 + 60350800896 = 681652^2 + 245664^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 525000250000.

It is not an unprimeable number, because it can be changed into a prime (525000250003) by changing a digit.

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 13 ways as a sum of consecutive naturals, for example, 800001 + ... + 1300000.

Almost surely, 2^525000250000 is an apocalyptic number.

525000250000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

525000250000 is an abundant number, since it is smaller than the sum of its proper divisors (746469060922).

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

525000250000 is an frugal number, since it uses more digits than its factorization.

525000250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100039 (or 2100008 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

Adding to 525000250000 its reverse (52000525), we get a palindrome (525052250525).

The spelling of 525000250000 in words is "five hundred twenty-five billion, two hundred fifty thousand".