11289233 has 2 divisors, whose sum is σ = 11289234. Its totient is φ = 11289232.

The previous prime is 11289203. The next prime is 11289247. The reversal of 11289233 is 33298211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11135569 + 153664 = 3337^2 + 392^2 .

It is a cyclic number.

It is not a de Polignac number, because 11289233 - 2¹² = 11285137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p₇₄₄₃₃₈ and since 11289233 and 744338 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 11289196 and 11289205.

It is not a weakly prime, because it can be changed into another prime (11289203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5644616 + 5644617.

It is an arithmetic number, because the mean of its divisors is an integer number (5644617).

Almost surely, 2^11289233 is an apocalyptic number.

It is an amenable number.

11289233 is a deficient number, since it is larger than the sum of its proper divisors (1).

11289233 is an equidigital number, since it uses as much as digits as its factorization.

11289233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 11289233 is about 3359.9453864609. The cubic root of 11289233 is about 224.3304076465.

The spelling of 11289233 in words is "eleven million, two hundred eighty-nine thousand, two hundred thirty-three".