25603056 has 60 divisors (see below), whose sum is σ = 74135880. Its totient is φ = 8238720.

The previous prime is 25603049. The next prime is 25603079. The reversal of 25603056 is 65030652.

25603056 is a `hidden beast` number, since 2 + 5 + 603 + 0 + 56 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1111 + ... + 7241.

It is an arithmetic number, because the mean of its divisors is an integer number (1235598).

Almost surely, 2^25603056 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 25603056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37067940).

25603056 is an abundant number, since it is smaller than the sum of its proper divisors (48532824).

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

25603056 is a wasteful number, since it uses less digits than its factorization.

25603056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174 (or 6165 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 25603056 is about 5059.9462447738. The cubic root of 25603056 is about 294.7342469249.

The spelling of 25603056 in words is "twenty-five million, six hundred three thousand, fifty-six".