25790648 has 32 divisors (see below), whose sum is σ = 53071200. Its totient is φ = 11676288.

The previous prime is 25790647. The next prime is 25790663. The reversal of 25790648 is 84609752.

It is a super-3 number, since 3×25790648³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25790641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3173 + ... + 7851.

It is an arithmetic number, because the mean of its divisors is an integer number (1658475).

Almost surely, 2^25790648 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 25790648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26535600).

25790648 is an abundant number, since it is smaller than the sum of its proper divisors (27280552).

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

25790648 is a wasteful number, since it uses less digits than its factorization.

25790648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751 (or 4747 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 25790648 is about 5078.4493696403. The cubic root of 25790648 is about 295.4523291582.

The spelling of 25790648 in words is "twenty-five million, seven hundred ninety thousand, six hundred forty-eight".