25323552 has 72 divisors (see below), whose sum is σ = 75164544. Its totient is φ = 8072064.

The previous prime is 25323539. The next prime is 25323563. The reversal of 25323552 is 25532352.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 4713 + ... + 8535.

It is an arithmetic number, because the mean of its divisors is an integer number (1043952).

Almost surely, 2^25323552 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 25323552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37582272).

25323552 is an abundant number, since it is smaller than the sum of its proper divisors (49840992).

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

25323552 is a wasteful number, since it uses less digits than its factorization.

25323552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862 (or 3851 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 25323552 is about 5032.2511860995. The cubic root of 25323552 is about 293.6577998250.

It can be divided in two parts, 2532 and 3552, that added together give a square (6084 = 78²).

The spelling of 25323552 in words is "twenty-five million, three hundred twenty-three thousand, five hundred fifty-two".