11532289 has 4 divisors (see below), whose sum is σ = 11548756. Its totient is φ = 11515824.

The previous prime is 11532277. The next prime is 11532293. The reversal of 11532289 is 98223511.

11532289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6801664 + 4730625 = 2608^2 + 2175^2 .

It is a cyclic number.

It is not a de Polignac number, because 11532289 - 2⁷ = 11532161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11532289.

It is not an unprimeable number, because it can be changed into a prime (11532889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7134 + ... + 8599.

It is an arithmetic number, because the mean of its divisors is an integer number (2887189).

Almost surely, 2^11532289 is an apocalyptic number.

It is an amenable number.

11532289 is a deficient number, since it is larger than the sum of its proper divisors (16467).

11532289 is an equidigital number, since it uses as much as digits as its factorization.

11532289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16466.

The product of its digits is 4320, while the sum is 31.

The square root of 11532289 is about 3395.9224078297. The cubic root of 11532289 is about 225.9289266681.

The spelling of 11532289 in words is "eleven million, five hundred thirty-two thousand, two hundred eighty-nine".