25336489 has 2 divisors, whose sum is σ = 25336490. Its totient is φ = 25336488.

The previous prime is 25336471. The next prime is 25336513. The reversal of 25336489 is 98463352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19954089 + 5382400 = 4467^2 + 2320^2 .

It is a cyclic number.

It is not a de Polignac number, because 25336489 - 2⁷ = 25336361 is a prime.

It is not a weakly prime, because it can be changed into another prime (25336439) 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, 12668244 + 12668245.

It is an arithmetic number, because the mean of its divisors is an integer number (12668245).

Almost surely, 2^25336489 is an apocalyptic number.

It is an amenable number.

25336489 is a deficient number, since it is larger than the sum of its proper divisors (1).

25336489 is an equidigital number, since it uses as much as digits as its factorization.

25336489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 25336489 is about 5033.5364307810. The cubic root of 25336489 is about 293.7077981323.

The spelling of 25336489 in words is "twenty-five million, three hundred thirty-six thousand, four hundred eighty-nine".