11935289 has 2 divisors, whose sum is σ = 11935290. Its totient is φ = 11935288.

The previous prime is 11935267. The next prime is 11935291. The reversal of 11935289 is 98253911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11155600 + 779689 = 3340^2 + 883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11935289 is a prime.

It is a super-2 number, since 2×11935289² = 284902247027042, which contains 22 as substring.

Together with 11935291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11935219) 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, 5967644 + 5967645.

It is an arithmetic number, because the mean of its divisors is an integer number (5967645).

Almost surely, 2^11935289 is an apocalyptic number.

It is an amenable number.

11935289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11935289 is an equidigital number, since it uses as much as digits as its factorization.

11935289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 38.

The square root of 11935289 is about 3454.7487607639. The cubic root of 11935289 is about 228.5305754181.

The spelling of 11935289 in words is "eleven million, nine hundred thirty-five thousand, two hundred eighty-nine".