11244581 has 2 divisors, whose sum is σ = 11244582. Its totient is φ = 11244580.

The previous prime is 11244529. The next prime is 11244589. The reversal of 11244581 is 18544211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10023556 + 1221025 = 3166^2 + 1105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11244581 is a prime.

It is a super-2 number, since 2×11244581² = 252881203731122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11244581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11244589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5622290 + 5622291.

It is an arithmetic number, because the mean of its divisors is an integer number (5622291).

Almost surely, 2^11244581 is an apocalyptic number.

It is an amenable number.

11244581 is a deficient number, since it is larger than the sum of its proper divisors (1).

11244581 is an equidigital number, since it uses as much as digits as its factorization.

11244581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1280, while the sum is 26.

The square root of 11244581 is about 3353.2940521225. The cubic root of 11244581 is about 224.0342541685.

Adding to 11244581 its reverse (18544211), we get a palindrome (29788792).

The spelling of 11244581 in words is "eleven million, two hundred forty-four thousand, five hundred eighty-one".