25328801 has 2 divisors, whose sum is σ = 25328802. Its totient is φ = 25328800.

The previous prime is 25328791. The next prime is 25328813. The reversal of 25328801 is 10882352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20939776 + 4389025 = 4576^2 + 2095^2 .

It is a cyclic number.

It is not a de Polignac number, because 25328801 - 2¹⁰ = 25327777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25328851) 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, 12664400 + 12664401.

It is an arithmetic number, because the mean of its divisors is an integer number (12664401).

Almost surely, 2^25328801 is an apocalyptic number.

It is an amenable number.

25328801 is a deficient number, since it is larger than the sum of its proper divisors (1).

25328801 is an equidigital number, since it uses as much as digits as its factorization.

25328801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 25328801 is about 5032.7726950459. The cubic root of 25328801 is about 293.6780879650.

It can be divided in two parts, 253 and 28801, that multiplied together give a triangular number (7286653 = T₃₈₁₇).

The spelling of 25328801 in words is "twenty-five million, three hundred twenty-eight thousand, eight hundred one".