2113145250 has 64 divisors (see below), whose sum is σ = 5288699520. Its totient is φ = 561979200.

The previous prime is 2113145231. The next prime is 2113145257. The reversal of 2113145250 is 525413112.

It is a happy number.

2113145250 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113145250.

It is not an unprimeable number, because it can be changed into a prime (2113145257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288129 + ... + 295371.

It is an arithmetic number, because the mean of its divisors is an integer number (82635930).

Almost surely, 2^2113145250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113145250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2644349760).

2113145250 is an abundant number, since it is smaller than the sum of its proper divisors (3175554270).

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

2113145250 is a wasteful number, since it uses less digits than its factorization.

2113145250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652 (or 7642 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2113145250 is about 45968.9596358238. The cubic root of 2113145250 is about 1283.2455984698.

Adding to 2113145250 its reverse (525413112), we get a palindrome (2638558362).

The spelling of 2113145250 in words is "two billion, one hundred thirteen million, one hundred forty-five thousand, two hundred fifty".