2525611650 has 96 divisors (see below), whose sum is σ = 6424142400. Its totient is φ = 656398080.

The previous prime is 2525611639. The next prime is 2525611687. The reversal of 2525611650 is 561165252.

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 47 ways as a sum of consecutive naturals, for example, 1294876 + ... + 1296824.

It is an arithmetic number, because the mean of its divisors is an integer number (66918150).

Almost surely, 2^2525611650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2525611650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3212071200).

2525611650 is an abundant number, since it is smaller than the sum of its proper divisors (3898530750).

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

2525611650 is a wasteful number, since it uses less digits than its factorization.

2525611650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 2525611650 is about 50255.4638820497. The cubic root of 2525611650 is about 1361.8277850054.

The spelling of 2525611650 in words is "two billion, five hundred twenty-five million, six hundred eleven thousand, six hundred fifty".