25708900 has 72 divisors (see below), whose sum is σ = 67148480. Its totient is φ = 8346240.

The previous prime is 25708897. The next prime is 25708909. The reversal of 25708900 is 980752.

It is not an unprimeable number, because it can be changed into a prime (25708909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12334 + ... + 14266.

Almost surely, 2^25708900 is an apocalyptic number.

25708900 is a gapful number since it is divisible by the number (20) 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 25708900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33574240).

25708900 is an abundant number, since it is smaller than the sum of its proper divisors (41439580).

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

25708900 is a wasteful number, since it uses less digits than its factorization.

25708900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973 (or 1966 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 25708900 is about 5070.3944619724. The cubic root of 25708900 is about 295.1398360313.

The spelling of 25708900 in words is "twenty-five million, seven hundred eight thousand, nine hundred".