25850496 has 128 divisors (see below), whose sum is σ = 80294400. Its totient is φ = 7216128.

The previous prime is 25850491. The next prime is 25850509. The reversal of 25850496 is 69405852.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (25850491) 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, 158511 + ... + 158673.

It is an arithmetic number, because the mean of its divisors is an integer number (627300).

Almost surely, 2^25850496 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 25850496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40147200).

25850496 is an abundant number, since it is smaller than the sum of its proper divisors (54443904).

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

25850496 is a wasteful number, since it uses less digits than its factorization.

25850496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 25850496 is about 5084.3383050305. The cubic root of 25850496 is about 295.6806880477.

The spelling of 25850496 in words is "twenty-five million, eight hundred fifty thousand, four hundred ninety-six".