25788751 has 2 divisors, whose sum is σ = 25788752. Its totient is φ = 25788750.

The previous prime is 25788739. The next prime is 25788767. The reversal of 25788751 is 15788752.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25788751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25788698 and 25788707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25788701) 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 as a sum of consecutive naturals, namely, 12894375 + 12894376.

It is an arithmetic number, because the mean of its divisors is an integer number (12894376).

Almost surely, 2^25788751 is an apocalyptic number.

25788751 is a deficient number, since it is larger than the sum of its proper divisors (1).

25788751 is an equidigital number, since it uses as much as digits as its factorization.

25788751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 43.

The square root of 25788751 is about 5078.2625965974. The cubic root of 25788751 is about 295.4450851007.

Subtracting from 25788751 its reverse (15788752), we obtain a palindrome (9999999).

The spelling of 25788751 in words is "twenty-five million, seven hundred eighty-eight thousand, seven hundred fifty-one".