2125500450 has 24 divisors (see below), whose sum is σ = 5271241488. Its totient is φ = 566800080.

The previous prime is 2125500413. The next prime is 2125500473. The reversal of 2125500450 is 540055212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2125500450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7084852 + ... + 7085151.

It is an arithmetic number, because the mean of its divisors is an integer number (219635062).

Almost surely, 2^2125500450 is an apocalyptic number.

2125500450 is an abundant number, since it is smaller than the sum of its proper divisors (3145741038).

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

2125500450 is a wasteful number, since it uses less digits than its factorization.

2125500450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14170018 (or 14170013 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 2125500450 is about 46103.1501092930. The cubic root of 2125500450 is about 1285.7417127306.

Adding to 2125500450 its reverse (540055212), we get a palindrome (2665555662).

The spelling of 2125500450 in words is "two billion, one hundred twenty-five million, five hundred thousand, four hundred fifty".