25725880 has 32 divisors (see below), whose sum is σ = 58222800. Its totient is φ = 10230016.

The previous prime is 25725859. The next prime is 25725881. The reversal of 25725880 is 8852752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25725881) 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 7 ways as a sum of consecutive naturals, for example, 5364 + ... + 8956.

Almost surely, 2^25725880 is an apocalyptic number.

25725880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25725880 is an abundant number, since it is smaller than the sum of its proper divisors (32496920).

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

25725880 is a wasteful number, since it uses less digits than its factorization.

25725880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783 (or 3779 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 25725880 is about 5072.0686115233. The cubic root of 25725880 is about 295.2047988977.

The spelling of 25725880 in words is "twenty-five million, seven hundred twenty-five thousand, eight hundred eighty".