25723056 has 80 divisors (see below), whose sum is σ = 69995520. Its totient is φ = 8129280.

The previous prime is 25723043. The next prime is 25723097. The reversal of 25723056 is 65032752.

25723056 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

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 15 ways as a sum of consecutive naturals, for example, 87646 + ... + 87938.

It is an arithmetic number, because the mean of its divisors is an integer number (874944).

Almost surely, 2^25723056 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 25723056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34997760).

25723056 is an abundant number, since it is smaller than the sum of its proper divisors (44272464).

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

25723056 is a wasteful number, since it uses less digits than its factorization.

25723056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 25723056 is about 5071.7902164818. The cubic root of 25723056 is about 295.1939966905.

The spelling of 25723056 in words is "twenty-five million, seven hundred twenty-three thousand, fifty-six".