25731168 has 48 divisors (see below), whose sum is σ = 71104320. Its totient is φ = 8125056.

The previous prime is 25731163. The next prime is 25731191. The reversal of 25731168 is 86113752.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25731161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5230 + ... + 8877.

It is an arithmetic number, because the mean of its divisors is an integer number (1481340).

Almost surely, 2^25731168 is an apocalyptic number.

It is an amenable number.

25731168 is an abundant number, since it is smaller than the sum of its proper divisors (45373152).

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

25731168 is a wasteful number, since it uses less digits than its factorization.

25731168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14139 (or 14131 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 25731168 is about 5072.5898710619. The cubic root of 25731168 is about 295.2250241343.

It can be divided in two parts, 2573 and 1168, that added together give a triangular number (3741 = T₈₆).

The spelling of 25731168 in words is "twenty-five million, seven hundred thirty-one thousand, one hundred sixty-eight".