2530605500 has 48 divisors (see below), whose sum is σ = 5581675008. Its totient is φ = 1002200000.

The previous prime is 2530605487. The next prime is 2530605503. The reversal of 2530605500 is 55060352.

It is a self number, because there is not a number n which added to its sum of digits gives 2530605500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530605503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25445 + ... + 75555.

It is an arithmetic number, because the mean of its divisors is an integer number (116284896).

Almost surely, 2^2530605500 is an apocalyptic number.

2530605500 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 2530605500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2790837504).

2530605500 is an abundant number, since it is smaller than the sum of its proper divisors (3051069508).

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

2530605500 is a wasteful number, since it uses less digits than its factorization.

2530605500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50231 (or 50219 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 2530605500 is about 50305.1239934860. The cubic root of 2530605500 is about 1362.7247672282.

Adding to 2530605500 its reverse (55060352), we get a palindrome (2585665852).

The spelling of 2530605500 in words is "two billion, five hundred thirty million, six hundred five thousand, five hundred".