25284852 has 48 divisors (see below), whose sum is σ = 66218880. Its totient is φ = 8342784.

The previous prime is 25284841. The next prime is 25284859. The reversal of 25284852 is 25848252.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25284859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9988 + ... + 12260.

It is an arithmetic number, because the mean of its divisors is an integer number (1379560).

Almost surely, 2^25284852 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 25284852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33109440).

25284852 is an abundant number, since it is smaller than the sum of its proper divisors (40934028).

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

25284852 is a wasteful number, since it uses less digits than its factorization.

25284852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389 (or 2381 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 25284852 is about 5028.4045183338. The cubic root of 25284852 is about 293.5081321565.

The spelling of 25284852 in words is "twenty-five million, two hundred eighty-four thousand, eight hundred fifty-two".