25288671 has 8 divisors (see below), whose sum is σ = 33764224. Its totient is φ = 16836120.

The previous prime is 25288657. The next prime is 25288691. The reversal of 25288671 is 17688252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25288671 - 2⁶ = 25288607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25288631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2995 + ... + 7716.

It is an arithmetic number, because the mean of its divisors is an integer number (4220528).

Almost surely, 2^25288671 is an apocalyptic number.

25288671 is a deficient number, since it is larger than the sum of its proper divisors (8475553).

25288671 is a wasteful number, since it uses less digits than its factorization.

25288671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11501.

The product of its digits is 53760, while the sum is 39.

The square root of 25288671 is about 5028.7842467141. The cubic root of 25288671 is about 293.5229084756.

The spelling of 25288671 in words is "twenty-five million, two hundred eighty-eight thousand, six hundred seventy-one".