2500525000 has 96 divisors (see below), whose sum is σ = 6064065000. Its totient is φ = 965440000.

The previous prime is 2500524979. The next prime is 2500525021. The reversal of 2500525000 is 5250052.

2500525000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2500524979) and next prime (2500525021).

It can be written as a sum of positive squares in 12 ways, for example, as 1969406884 + 531118116 = 44378^2 + 23046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 723276 + ... + 726724.

Almost surely, 2^2500525000 is an apocalyptic number.

2500525000 is a gapful number since it is divisible by the number (20) 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 2500525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3032032500).

2500525000 is an abundant number, since it is smaller than the sum of its proper divisors (3563540000).

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

2500525000 is an equidigital number, since it uses as much as digits as its factorization.

2500525000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509 (or 3485 counting only the distinct ones).

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

The square root of 2500525000 is about 50005.2497244039. The cubic root of 2500525000 is about 1357.3038062645.

Adding to 2500525000 its reverse (5250052), we get a palindrome (2505775052).

It can be divided in two parts, 25005 and 25000, that added together give a palindrome (50005).

The spelling of 2500525000 in words is "two billion, five hundred million, five hundred twenty-five thousand".