11535289 has 2 divisors, whose sum is σ = 11535290. Its totient is φ = 11535288.

The previous prime is 11535287. The next prime is 11535319. The reversal of 11535289 is 98253511.

11535289 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11424400 + 110889 = 3380^2 + 333^2 .

It is an emirp because it is prime and its reverse (98253511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11535289 - 2¹ = 11535287 is a prime.

Together with 11535287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11535281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5767644 + 5767645.

It is an arithmetic number, because the mean of its divisors is an integer number (5767645).

Almost surely, 2^11535289 is an apocalyptic number.

It is an amenable number.

11535289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11535289 is an equidigital number, since it uses as much as digits as its factorization.

11535289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 34.

The square root of 11535289 is about 3396.3640853124. The cubic root of 11535289 is about 225.9485159568.

The spelling of 11535289 in words is "eleven million, five hundred thirty-five thousand, two hundred eighty-nine".