25968769 has 4 divisors (see below), whose sum is σ = 26521344. Its totient is φ = 25416196.

The previous prime is 25968751. The next prime is 25968773. The reversal of 25968769 is 96786952.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25968769 - 2⁷ = 25968641 is a prime.

It is a super-2 number, since 2×25968769² = 1348753926750722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25968739) 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 3 ways as a sum of consecutive naturals, for example, 276217 + ... + 276310.

It is an arithmetic number, because the mean of its divisors is an integer number (6630336).

Almost surely, 2^25968769 is an apocalyptic number.

It is an amenable number.

25968769 is a deficient number, since it is larger than the sum of its proper divisors (552575).

25968769 is an equidigital number, since it uses as much as digits as its factorization.

25968769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552574.

The product of its digits is 1632960, while the sum is 52.

The square root of 25968769 is about 5095.9561418835. The cubic root of 25968769 is about 296.1309417319.

The spelling of 25968769 in words is "twenty-five million, nine hundred sixty-eight thousand, seven hundred sixty-nine".