25375688 has 36 divisors (see below), whose sum is σ = 51899715. Its totient is φ = 11626368.

The previous prime is 25375663. The next prime is 25375703. The reversal of 25375688 is 88657352.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 5466244 + 19909444 = 2338^2 + 4462^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3562.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 185156 + ... + 185292.

Almost surely, 2^25375688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25375688

25375688 is an abundant number, since it is smaller than the sum of its proper divisors (26524027).

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

25375688 is a wasteful number, since it uses less digits than its factorization.

25375688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 152 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 25375688 is about 5037.4287091730. The cubic root of 25375688 is about 293.8591887434.

The spelling of 25375688 in words is "twenty-five million, three hundred seventy-five thousand, six hundred eighty-eight".