11230533 has 6 divisors (see below), whose sum is σ = 16221894. Its totient is φ = 7487016.

The previous prime is 11230529. The next prime is 11230543. The reversal of 11230533 is 33503211.

It can be written as a sum of positive squares in only one way, i.e., 11068929 + 161604 = 3327^2 + 402^2 .

It is not a de Polignac number, because 11230533 - 2² = 11230529 is a prime.

It is a super-2 number, since 2×11230533² = 252249742928178, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230543) 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 in 5 ways as a sum of consecutive naturals, for example, 623910 + ... + 623927.

It is an arithmetic number, because the mean of its divisors is an integer number (2703649).

Almost surely, 2^11230533 is an apocalyptic number.

It is an amenable number.

11230533 is a deficient number, since it is larger than the sum of its proper divisors (4991361).

11230533 is a wasteful number, since it uses less digits than its factorization.

11230533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247843 (or 1247840 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 11230533 is about 3351.1987407493. The cubic root of 11230533 is about 223.9409189954.

Adding to 11230533 its reverse (33503211), we get a palindrome (44733744).

The spelling of 11230533 in words is "eleven million, two hundred thirty thousand, five hundred thirty-three".