25026648 has 64 divisors (see below), whose sum is σ = 66873600. Its totient is φ = 7781760.

The previous prime is 25026643. The next prime is 25026697. The reversal of 25026648 is 84662052.

It is a super-2 number, since 2×25026648² = 1252666220231808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25026643) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31990 + ... + 32762.

It is an arithmetic number, because the mean of its divisors is an integer number (1044900).

Almost surely, 2^25026648 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 25026648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33436800).

25026648 is an abundant number, since it is smaller than the sum of its proper divisors (41846952).

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

25026648 is a wasteful number, since it uses less digits than its factorization.

25026648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 25026648 is about 5002.6640902623. The cubic root of 25026648 is about 292.5056292291.

The spelling of 25026648 in words is "twenty-five million, twenty-six thousand, six hundred forty-eight".