25378808 has 64 divisors (see below), whose sum is σ = 59512320. Its totient is φ = 9878400.

The previous prime is 25378777. The next prime is 25378817. The reversal of 25378808 is 80887352.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51443 + ... + 51933.

It is an arithmetic number, because the mean of its divisors is an integer number (929880).

Almost surely, 2^25378808 is an apocalyptic number.

25378808 is a gapful number since it is divisible by the number (28) 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 25378808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29756160).

25378808 is an abundant number, since it is smaller than the sum of its proper divisors (34133512).

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

25378808 is a wasteful number, since it uses less digits than its factorization.

25378808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 25378808 is about 5037.7383814565. The cubic root of 25378808 is about 293.8712318073.

The spelling of 25378808 in words is "twenty-five million, three hundred seventy-eight thousand, eight hundred eight".