25775850 has 48 divisors (see below), whose sum is σ = 64290528. Its totient is φ = 6834240.

The previous prime is 25775843. The next prime is 25775857. The reversal of 25775850 is 5857752.

It is an interprime number because it is at equal distance from previous prime (25775843) and next prime (25775857).

It is a junction number, because it is equal to n+sod(n) for n = 25775799 and 25775808.

It is not an unprimeable number, because it can be changed into a prime (25775857) 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 23 ways as a sum of consecutive naturals, for example, 33672 + ... + 34428.

It is an arithmetic number, because the mean of its divisors is an integer number (1339386).

Almost surely, 2^25775850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25775850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32145264).

25775850 is an abundant number, since it is smaller than the sum of its proper divisors (38514678).

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

25775850 is a wasteful number, since it uses less digits than its factorization.

25775850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 39.

The square root of 25775850 is about 5076.9922198089. The cubic root of 25775850 is about 295.3958107381.

The spelling of 25775850 in words is "twenty-five million, seven hundred seventy-five thousand, eight hundred fifty".