25700328 has 80 divisors (see below), whose sum is σ = 76251780. Its totient is φ = 8059392.

The previous prime is 25700327. The next prime is 25700393. The reversal of 25700328 is 82300752.

It can be written as a sum of positive squares in 2 ways, for example, as 25583364 + 116964 = 5058^2 + 342^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25700321) 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 19 ways as a sum of consecutive naturals, for example, 9850 + ... + 12182.

Almost surely, 2^25700328 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 25700328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38125890).

25700328 is an abundant number, since it is smaller than the sum of its proper divisors (50551452).

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

25700328 is a wasteful number, since it uses less digits than its factorization.

25700328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368 (or 2355 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 25700328 is about 5069.5490923750. The cubic root of 25700328 is about 295.1070300133.

The spelling of 25700328 in words is "twenty-five million, seven hundred thousand, three hundred twenty-eight".