25755616 has 24 divisors (see below), whose sum is σ = 50886360. Its totient is φ = 12832128.

The previous prime is 25755571. The next prime is 25755619. The reversal of 25755616 is 61655752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25755619) 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, 8875 + ... + 11413.

It is an arithmetic number, because the mean of its divisors is an integer number (2120265).

Almost surely, 2^25755616 is an apocalyptic number.

It is an amenable number.

25755616 is a deficient number, since it is larger than the sum of its proper divisors (25130744).

25755616 is a wasteful number, since it uses less digits than its factorization.

25755616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866 (or 2858 counting only the distinct ones).

The product of its digits is 63000, while the sum is 37.

The square root of 25755616 is about 5074.9991133004. Note that the first 3 decimals coincide. The cubic root of 25755616 is about 295.3184954281.

The spelling of 25755616 in words is "twenty-five million, seven hundred fifty-five thousand, six hundred sixteen".