25854036 has 72 divisors (see below), whose sum is σ = 67337760. Its totient is φ = 7672704.

The previous prime is 25854019. The next prime is 25854043. The reversal of 25854036 is 63045852.

It is a junction number, because it is equal to n+sod(n) for n = 25853988 and 25854006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 438175 + ... + 438233.

Almost surely, 2^25854036 is an apocalyptic number.

25854036 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25854036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33668880).

25854036 is an abundant number, since it is smaller than the sum of its proper divisors (41483724).

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

25854036 is a wasteful number, since it uses less digits than its factorization.

25854036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 25854036 is about 5084.6864210097. The cubic root of 25854036 is about 295.6941843956.

Adding to 25854036 its reverse (63045852), we get a palindrome (88899888).

The spelling of 25854036 in words is "twenty-five million, eight hundred fifty-four thousand, thirty-six".