25841128 has 8 divisors (see below), whose sum is σ = 48452130. Its totient is φ = 12920560.

The previous prime is 25841119. The next prime is 25841129. The reversal of 25841128 is 82114852.

It can be written as a sum of positive squares in only one way, i.e., 25381444 + 459684 = 5038^2 + 678^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 25841128.

It is not an unprimeable number, because it can be changed into a prime (25841129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615063 + ... + 1615078.

Almost surely, 2^25841128 is an apocalyptic number.

It is an amenable number.

25841128 is a deficient number, since it is larger than the sum of its proper divisors (22611002).

25841128 is a wasteful number, since it uses less digits than its factorization.

25841128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230147 (or 3230143 counting only the distinct ones).

The product of its digits is 5120, while the sum is 31.

The square root of 25841128 is about 5083.4169610607. The cubic root of 25841128 is about 295.6449663430.

The spelling of 25841128 in words is "twenty-five million, eight hundred forty-one thousand, one hundred twenty-eight".