25356768 has 24 divisors (see below), whose sum is σ = 66561768. Its totient is φ = 8452224.

The previous prime is 25356767. The next prime is 25356781. The reversal of 25356768 is 86765352.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25356761) 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, 131971 + ... + 132162.

It is an arithmetic number, because the mean of its divisors is an integer number (2773407).

Almost surely, 2^25356768 is an apocalyptic number.

It is an amenable number.

25356768 is an abundant number, since it is smaller than the sum of its proper divisors (41205000).

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

25356768 is a wasteful number, since it uses less digits than its factorization.

25356768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264146 (or 264138 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 25356768 is about 5035.5504167866. The cubic root of 25356768 is about 293.7861372171.

The spelling of 25356768 in words is "twenty-five million, three hundred fifty-six thousand, seven hundred sixty-eight".