25899852 has 48 divisors (see below), whose sum is σ = 67721472. Its totient is φ = 7634880.

The previous prime is 25899829. The next prime is 25899893.

25899852 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2233 + ... + 7535.

It is an arithmetic number, because the mean of its divisors is an integer number (1410864).

Almost surely, 2^25899852 is an apocalyptic number.

25899852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25899852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33860736).

25899852 is an abundant number, since it is smaller than the sum of its proper divisors (41821620).

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

25899852 is a wasteful number, since it uses less digits than its factorization.

25899852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358 (or 5356 counting only the distinct ones).

The product of its digits is 518400, while the sum is 48.

The square root of 25899852 is about 5089.1897193954. The cubic root of 25899852 is about 295.8687481154.

The spelling of 25899852 in words is "twenty-five million, eight hundred ninety-nine thousand, eight hundred fifty-two".