25775089 has 2 divisors, whose sum is σ = 25775090. Its totient is φ = 25775088.

The previous prime is 25775083. The next prime is 25775107. The reversal of 25775089 is 98057752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24354225 + 1420864 = 4935^2 + 1192^2 .

It is a cyclic number.

It is not a de Polignac number, because 25775089 - 2⁹ = 25774577 is a prime.

It is not a weakly prime, because it can be changed into another prime (25775083) 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, 12887544 + 12887545.

It is an arithmetic number, because the mean of its divisors is an integer number (12887545).

Almost surely, 2^25775089 is an apocalyptic number.

It is an amenable number.

25775089 is a deficient number, since it is larger than the sum of its proper divisors (1).

25775089 is an equidigital number, since it uses as much as digits as its factorization.

25775089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 25775089 is about 5076.9172733067. The cubic root of 25775089 is about 295.3929036445.

The spelling of 25775089 in words is "twenty-five million, seven hundred seventy-five thousand, eighty-nine".