25992080 has 20 divisors (see below), whose sum is σ = 60431772. Its totient is φ = 10396800.

The previous prime is 25992059. The next prime is 25992089. The reversal of 25992080 is 8029952.

It can be written as a sum of positive squares in 2 ways, for example, as 20757136 + 5234944 = 4556^2 + 2288^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 25992080.

It is not an unprimeable number, because it can be changed into a prime (25992089) 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 in 3 ways as a sum of consecutive naturals, for example, 162371 + ... + 162530.

Almost surely, 2^25992080 is an apocalyptic number.

25992080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25992080 is an abundant number, since it is smaller than the sum of its proper divisors (34439692).

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

25992080 is a wasteful number, since it uses less digits than its factorization.

25992080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324914 (or 324908 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 25992080 is about 5098.2428345460. The cubic root of 25992080 is about 296.2195230566.

It can be divided in two parts, 259920 and 80, that multiplied together give a square (20793600 = 4560²).

The spelling of 25992080 in words is "twenty-five million, nine hundred ninety-two thousand, eighty".