25006650 has 48 divisors (see below), whose sum is σ = 63475104. Its totient is φ = 6511680.

The previous prime is 25006621. The next prime is 25006673. The reversal of 25006650 is 5660052.

It is a self number, because there is not a number n which added to its sum of digits gives 25006650.

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, 4512 + ... + 8388.

It is an arithmetic number, because the mean of its divisors is an integer number (1322398).

Almost surely, 2^25006650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25006650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31737552).

25006650 is an abundant number, since it is smaller than the sum of its proper divisors (38468454).

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

25006650 is a wasteful number, since it uses less digits than its factorization.

25006650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935 (or 3930 counting only the distinct ones).

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

The square root of 25006650 is about 5000.6649557834. The cubic root of 25006650 is about 292.4276978134.

The spelling of 25006650 in words is "twenty-five million, six thousand, six hundred fifty".