25694912 has 28 divisors (see below), whose sum is σ = 51526440. Its totient is φ = 12711936.

The previous prime is 25694881. The next prime is 25694953. The reversal of 25694912 is 21949652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4139 + ... + 8277.

It is an arithmetic number, because the mean of its divisors is an integer number (1840230).

Almost surely, 2^25694912 is an apocalyptic number.

25694912 is the 4139-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25694912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25763220).

25694912 is an abundant number, since it is smaller than the sum of its proper divisors (25831528).

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

25694912 is an equidigital number, since it uses as much as digits as its factorization.

25694912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248 (or 4238 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 25694912 is about 5069.0148944346. The cubic root of 25694912 is about 295.0862986052.

The spelling of 25694912 in words is "twenty-five million, six hundred ninety-four thousand, nine hundred twelve".