2500225530 has 128 divisors (see below), whose sum is σ = 6956409600. Its totient is φ = 568381440.

The previous prime is 2500225529. The next prime is 2500225573. The reversal of 2500225530 is 355220052.

2500225530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2500225530² = 12502255401727561800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2500225530.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1957252 + ... + 1958528.

It is an arithmetic number, because the mean of its divisors is an integer number (54346950).

Almost surely, 2^2500225530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2500225530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3478204800).

2500225530 is an abundant number, since it is smaller than the sum of its proper divisors (4456184070).

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

2500225530 is a wasteful number, since it uses less digits than its factorization.

2500225530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 2500225530 is about 50002.2552491385. The cubic root of 2500225530 is about 1357.2496192439.

Adding to 2500225530 its reverse (355220052), we get a palindrome (2855445582).

It can be divided in two parts, 250022 and 5530, that added together give a palindrome (255552).

The spelling of 2500225530 in words is "two billion, five hundred million, two hundred twenty-five thousand, five hundred thirty".