25905152 has 96 divisors (see below), whose sum is σ = 64209600. Its totient is φ = 10174464.

The previous prime is 25905133. The next prime is 25905169. The reversal of 25905152 is 25150952.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186299 + ... + 186437.

It is an arithmetic number, because the mean of its divisors is an integer number (668850).

Almost surely, 2^25905152 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 25905152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32104800).

25905152 is an abundant number, since it is smaller than the sum of its proper divisors (38304448).

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

25905152 is a wasteful number, since it uses less digits than its factorization.

25905152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 25905152 is about 5089.7104043354. The cubic root of 25905152 is about 295.8889283776. Note that the first 3 decimals are identical.

The spelling of 25905152 in words is "twenty-five million, nine hundred five thousand, one hundred fifty-two".