25768650 has 48 divisors (see below), whose sum is σ = 65647584. Its totient is φ = 6684480.

The previous prime is 25768649. The next prime is 25768667. The reversal of 25768650 is 5686752.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25768599 and 25768608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3229 + ... + 7871.

It is an arithmetic number, because the mean of its divisors is an integer number (1367658).

Almost surely, 2^25768650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25768650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32823792).

25768650 is an abundant number, since it is smaller than the sum of its proper divisors (39878934).

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

25768650 is a wasteful number, since it uses less digits than its factorization.

25768650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695 (or 4690 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 25768650 is about 5076.2830890328. The cubic root of 25768650 is about 295.3683037513.

The spelling of 25768650 in words is "twenty-five million, seven hundred sixty-eight thousand, six hundred fifty".