11505233 has 2 divisors, whose sum is σ = 11505234. Its totient is φ = 11505232.

The previous prime is 11505227. The next prime is 11505251. The reversal of 11505233 is 33250511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11135569 + 369664 = 3337^2 + 608^2 .

It is a cyclic number.

It is not a de Polignac number, because 11505233 - 2⁴ = 11505217 is a prime.

It is not a weakly prime, because it can be changed into another prime (11505253) 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, 5752616 + 5752617.

It is an arithmetic number, because the mean of its divisors is an integer number (5752617).

Almost surely, 2^11505233 is an apocalyptic number.

It is an amenable number.

11505233 is a deficient number, since it is larger than the sum of its proper divisors (1).

11505233 is an equidigital number, since it uses as much as digits as its factorization.

11505233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 11505233 is about 3391.9364675654. The cubic root of 11505233 is about 225.7521037304.

Adding to 11505233 its reverse (33250511), we get a palindrome (44755744).

The spelling of 11505233 in words is "eleven million, five hundred five thousand, two hundred thirty-three".