25798601 has 2 divisors, whose sum is σ = 25798602. Its totient is φ = 25798600.

The previous prime is 25798589. The next prime is 25798649. The reversal of 25798601 is 10689752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17007376 + 8791225 = 4124^2 + 2965^2 .

It is a cyclic number.

It is not a de Polignac number, because 25798601 - 2¹⁸ = 25536457 is a prime.

It is not a weakly prime, because it can be changed into another prime (25798001) by changing a digit.

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 as a sum of consecutive naturals, namely, 12899300 + 12899301.

It is an arithmetic number, because the mean of its divisors is an integer number (12899301).

Almost surely, 2^25798601 is an apocalyptic number.

It is an amenable number.

25798601 is a deficient number, since it is larger than the sum of its proper divisors (1).

25798601 is an equidigital number, since it uses as much as digits as its factorization.

25798601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 25798601 is about 5079.2323238852. The cubic root of 25798601 is about 295.4826953448.

The spelling of 25798601 in words is "twenty-five million, seven hundred ninety-eight thousand, six hundred one".