25753266 has 96 divisors (see below), whose sum is σ = 73726848. Its totient is φ = 6289920.

The previous prime is 25753243. The next prime is 25753271. The reversal of 25753266 is 66235752.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25753266.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23016 + ... + 24108.

It is an arithmetic number, because the mean of its divisors is an integer number (767988).

Almost surely, 2^25753266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25753266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36863424).

25753266 is an abundant number, since it is smaller than the sum of its proper divisors (47973582).

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

25753266 is a wasteful number, since it uses less digits than its factorization.

25753266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 1133 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 25753266 is about 5074.7675808849. The cubic root of 25753266 is about 295.3095133149.

The spelling of 25753266 in words is "twenty-five million, seven hundred fifty-three thousand, two hundred sixty-six".