25696548 has 48 divisors (see below), whose sum is σ = 66976000. Its totient is φ = 8519904.

The previous prime is 25696519. The next prime is 25696549. The reversal of 25696548 is 84569652.

It is not an unprimeable number, because it can be changed into a prime (25696549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24213 + ... + 25251.

Almost surely, 2^25696548 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 25696548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33488000).

25696548 is an abundant number, since it is smaller than the sum of its proper divisors (41279452).

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

25696548 is a wasteful number, since it uses less digits than its factorization.

25696548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1273 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 25696548 is about 5069.1762644438. The cubic root of 25696548 is about 295.0925612062.

It can be divided in two parts, 25696 and 548, that added together give a square (26244 = 162²).

The spelling of 25696548 in words is "twenty-five million, six hundred ninety-six thousand, five hundred forty-eight".