25855116 has 48 divisors (see below), whose sum is σ = 71178240. Its totient is φ = 7148160.

The previous prime is 25855111. The next prime is 25855117. The reversal of 25855116 is 61155852.

It is not an unprimeable number, because it can be changed into a prime (25855111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2361 + ... + 7568.

It is an arithmetic number, because the mean of its divisors is an integer number (1482880).

Almost surely, 2^25855116 is an apocalyptic number.

It is an amenable number.

25855116 is an abundant number, since it is smaller than the sum of its proper divisors (45323124).

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

25855116 is a wasteful number, since it uses less digits than its factorization.

25855116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9974 (or 9972 counting only the distinct ones).

The product of its digits is 12000, while the sum is 33.

The square root of 25855116 is about 5084.7926211400. The cubic root of 25855116 is about 295.6983016802.

The spelling of 25855116 in words is "twenty-five million, eight hundred fifty-five thousand, one hundred sixteen".