25906960 has 20 divisors (see below), whose sum is σ = 60233868. Its totient is φ = 10362752.

The previous prime is 25906927. The next prime is 25906961. The reversal of 25906960 is 6960952.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18421264 + 7485696 = 4292^2 + 2736^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25906961) 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, 161839 + ... + 161998.

Almost surely, 2^25906960 is an apocalyptic number.

25906960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25906960 is an abundant number, since it is smaller than the sum of its proper divisors (34326908).

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

25906960 is a wasteful number, since it uses less digits than its factorization.

25906960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323850 (or 323844 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 25906960 is about 5089.8880144852. Note that the first 3 decimals coincide. The cubic root of 25906960 is about 295.8958118827.

The spelling of 25906960 in words is "twenty-five million, nine hundred six thousand, nine hundred sixty".