13485289 has 2 divisors, whose sum is σ = 13485290. Its totient is φ = 13485288.

The previous prime is 13485281. The next prime is 13485299. The reversal of 13485289 is 98258431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9517225 + 3968064 = 3085^2 + 1992^2 .

It is a cyclic number.

It is not a de Polignac number, because 13485289 - 2³ = 13485281 is a prime.

It is not a weakly prime, because it can be changed into another prime (13485281) 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, 6742644 + 6742645.

It is an arithmetic number, because the mean of its divisors is an integer number (6742645).

Almost surely, 2^13485289 is an apocalyptic number.

It is an amenable number.

13485289 is a deficient number, since it is larger than the sum of its proper divisors (1).

13485289 is an equidigital number, since it uses as much as digits as its factorization.

13485289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 40.

The square root of 13485289 is about 3672.2321549706. The cubic root of 13485289 is about 238.0236365198.

The spelling of 13485289 in words is "thirteen million, four hundred eighty-five thousand, two hundred eighty-nine".