25980803 has 2 divisors, whose sum is σ = 25980804. Its totient is φ = 25980802.

The previous prime is 25980797. The next prime is 25980833. The reversal of 25980803 is 30808952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25980803 - 2⁶ = 25980739 is a prime.

It is not a weakly prime, because it can be changed into another prime (25980833) 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, 12990401 + 12990402.

It is an arithmetic number, because the mean of its divisors is an integer number (12990402).

Almost surely, 2^25980803 is an apocalyptic number.

25980803 is a deficient number, since it is larger than the sum of its proper divisors (1).

25980803 is an equidigital number, since it uses as much as digits as its factorization.

25980803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 25980803 is about 5097.1367452718. The cubic root of 25980803 is about 296.1766773028.

The spelling of 25980803 in words is "twenty-five million, nine hundred eighty thousand, eight hundred three".