25928132 has 6 divisors (see below), whose sum is σ = 45374238. Its totient is φ = 12964064.

The previous prime is 25928131. The next prime is 25928143. The reversal of 25928132 is 23182952.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17023876 + 8904256 = 4126^2 + 2984^2 .

It is not an unprimeable number, because it can be changed into a prime (25928131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3241013 + ... + 3241020.

It is an arithmetic number, because the mean of its divisors is an integer number (7562373).

Almost surely, 2^25928132 is an apocalyptic number.

It is an amenable number.

25928132 is a deficient number, since it is larger than the sum of its proper divisors (19446106).

25928132 is a wasteful number, since it uses less digits than its factorization.

25928132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482037 (or 6482035 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 25928132 is about 5091.9673997385. The cubic root of 25928132 is about 295.9763951228.

The spelling of 25928132 in words is "twenty-five million, nine hundred twenty-eight thousand, one hundred thirty-two".