25761128 has 16 divisors (see below), whose sum is σ = 49426080. Its totient is φ = 12580848.

The previous prime is 25761107. The next prime is 25761133. The reversal of 25761128 is 82116752.

It is a junction number, because it is equal to n+sod(n) for n = 25761094 and 25761103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37100 + ... + 37787.

It is an arithmetic number, because the mean of its divisors is an integer number (3089130).

Almost surely, 2^25761128 is an apocalyptic number.

It is an amenable number.

25761128 is a deficient number, since it is larger than the sum of its proper divisors (23664952).

25761128 is a wasteful number, since it uses less digits than its factorization.

25761128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74936 (or 74932 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 25761128 is about 5075.5421385306. The cubic root of 25761128 is about 295.3395611177.

The spelling of 25761128 in words is "twenty-five million, seven hundred sixty-one thousand, one hundred twenty-eight".