25982080 has 32 divisors (see below), whose sum is σ = 62114940. Its totient is φ = 10392576.

The previous prime is 25982053. The next prime is 25982081. The reversal of 25982080 is 8028952.

It can be written as a sum of positive squares in 2 ways, for example, as 24364096 + 1617984 = 4936^2 + 1272^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×25982080² = 1350136962252800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25982081) 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, 19659 + ... + 20938.

Almost surely, 2^25982080 is an apocalyptic number.

25982080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25982080 is an abundant number, since it is smaller than the sum of its proper divisors (36132860).

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

25982080 is an equidigital number, since it uses as much as digits as its factorization.

25982080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40616 (or 40604 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 25982080 is about 5097.2620101384. The cubic root of 25982080 is about 296.1815297499.

The spelling of 25982080 in words is "twenty-five million, nine hundred eighty-two thousand, eighty".