25788620 has 96 divisors (see below), whose sum is σ = 65028096. Its totient is φ = 8467200.

The previous prime is 25788619. The next prime is 25788649. The reversal of 25788620 is 2688752.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202997 + ... + 203123.

It is an arithmetic number, because the mean of its divisors is an integer number (677376).

Almost surely, 2^25788620 is an apocalyptic number.

25788620 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 25788620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32514048).

25788620 is an abundant number, since it is smaller than the sum of its proper divisors (39239476).

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

25788620 is a wasteful number, since it uses less digits than its factorization.

25788620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 25788620 is about 5078.2496984690. The cubic root of 25788620 is about 295.4445848390. Note that the first 3 decimals are identical.

The spelling of 25788620 in words is "twenty-five million, seven hundred eighty-eight thousand, six hundred twenty".