25883920 has 20 divisors (see below), whose sum is σ = 60180300. Its totient is φ = 10353536.

The previous prime is 25883899. The next prime is 25883927. The reversal of 25883920 is 2938852.

It can be written as a sum of positive squares in 2 ways, for example, as 10265616 + 15618304 = 3204^2 + 3952^2 .

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 25883920.

It is not an unprimeable number, because it can be changed into a prime (25883927) 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, 161695 + ... + 161854.

It is an arithmetic number, because the mean of its divisors is an integer number (3009015).

Almost surely, 2^25883920 is an apocalyptic number.

25883920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25883920 is an abundant number, since it is smaller than the sum of its proper divisors (34296380).

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

25883920 is a wasteful number, since it uses less digits than its factorization.

25883920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323562 (or 323556 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 25883920 is about 5087.6241999582. The cubic root of 25883920 is about 295.8080689042.

The spelling of 25883920 in words is "twenty-five million, eight hundred eighty-three thousand, nine hundred twenty".