25889216 has 28 divisors (see below), whose sum is σ = 53035200. Its totient is φ = 12526080.

The previous prime is 25889209. The next prime is 25889219. The reversal of 25889216 is 61298852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25889219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4541 + ... + 8508.

Almost surely, 2^25889216 is an apocalyptic number.

It is an amenable number.

25889216 is an abundant number, since it is smaller than the sum of its proper divisors (27145984).

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

25889216 is a wasteful number, since it uses less digits than its factorization.

25889216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13092 (or 13082 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 25889216 is about 5088.1446520318. The cubic root of 25889216 is about 295.8282422100.

The spelling of 25889216 in words is "twenty-five million, eight hundred eighty-nine thousand, two hundred sixteen".