25205852 has 48 divisors (see below), whose sum is σ = 52899840. Its totient is φ = 10281600.

The previous prime is 25205809. The next prime is 25205867. The reversal of 25205852 is 25850252.

It is a congruent number.

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, 61424 + ... + 61832.

It is an arithmetic number, because the mean of its divisors is an integer number (1102080).

Almost surely, 2^25205852 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 25205852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26449920).

25205852 is an abundant number, since it is smaller than the sum of its proper divisors (27693988).

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

25205852 is a wasteful number, since it uses less digits than its factorization.

25205852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 25205852 is about 5020.5429985212. The cubic root of 25205852 is about 293.2021342797.

The spelling of 25205852 in words is "twenty-five million, two hundred five thousand, eight hundred fifty-two".