25066500 has 96 divisors (see below), whose sum is σ = 77366016. Its totient is φ = 6284800.

The previous prime is 25066493. The next prime is 25066511. The reversal of 25066500 is 566052.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25009 + ... + 25991.

It is an arithmetic number, because the mean of its divisors is an integer number (805896).

Almost surely, 2^25066500 is an apocalyptic number.

25066500 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 25066500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38683008).

25066500 is an abundant number, since it is smaller than the sum of its proper divisors (52299516).

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

25066500 is a wasteful number, since it uses less digits than its factorization.

25066500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022 (or 1010 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 25066500 is about 5006.6455836218. The cubic root of 25066500 is about 292.6608071867.

The spelling of 25066500 in words is "twenty-five million, sixty-six thousand, five hundred".