25328 has 10 divisors (see below), whose sum is σ = 49104. Its totient is φ = 12656.

The previous prime is 25321. The next prime is 25339. The reversal of 25328 is 82352.

It is a plaindrome in base 15.

It is a nialpdrome in base 14.

It is a zygodrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25328.

It is not an unprimeable number, because it can be changed into a prime (25321) by changing a digit.

25328 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 776 + ... + 807.

2²⁵³²⁸ is an apocalyptic number.

It is an amenable number.

25328 is a deficient number, since it is larger than the sum of its proper divisors (23776).

25328 is a wasteful number, since it uses less digits than its factorization.

25328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591 (or 1585 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 25328 is about 159.1477301126. The cubic root of 25328 is about 29.3674992166.

It can be divided in two parts, 25 and 328, that added together give a palindrome (353).

The spelling of 25328 in words is "twenty-five thousand, three hundred twenty-eight".