25850032 has 80 divisors (see below), whose sum is σ = 58885120. Its totient is φ = 10886400.

The previous prime is 25850029. The next prime is 25850039. The reversal of 25850032 is 23005852.

It is a junction number, because it is equal to n+sod(n) for n = 25849979 and 25850006.

It is not an unprimeable number, because it can be changed into a prime (25850039) 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, 122407 + ... + 122617.

It is an arithmetic number, because the mean of its divisors is an integer number (736064).

Almost surely, 2^25850032 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 25850032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29442560).

25850032 is an abundant number, since it is smaller than the sum of its proper divisors (33035088).

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

25850032 is a wasteful number, since it uses less digits than its factorization.

25850032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 25850032 is about 5084.2926745025. The cubic root of 25850032 is about 295.6789189436.

Adding to 25850032 its reverse (23005852), we get a palindrome (48855884).

The spelling of 25850032 in words is "twenty-five million, eight hundred fifty thousand, thirty-two".