2525021112 has 128 divisors (see below), whose sum is σ = 6819840000. Its totient is φ = 776635776.

The previous prime is 2525021099. The next prime is 2525021113. The reversal of 2525021112 is 2111205252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525021113) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3416439 + ... + 3417177.

It is an arithmetic number, because the mean of its divisors is an integer number (53280000).

Almost surely, 2^2525021112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2525021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3409920000).

2525021112 is an abundant number, since it is smaller than the sum of its proper divisors (4294818888).

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

2525021112 is a wasteful number, since it uses less digits than its factorization.

2525021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2525021112 is about 50249.5881774169. The cubic root of 2525021112 is about 1361.7216359669.

Adding to 2525021112 its reverse (2111205252), we get a palindrome (4636226364).

The spelling of 2525021112 in words is "two billion, five hundred twenty-five million, twenty-one thousand, one hundred twelve".