11242481 has 2 divisors, whose sum is σ = 11242482. Its totient is φ = 11242480.

The previous prime is 11242477. The next prime is 11242501. The reversal of 11242481 is 18424211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9096256 + 2146225 = 3016^2 + 1465^2 .

It is a cyclic number.

It is not a de Polignac number, because 11242481 - 2² = 11242477 is a prime.

It is a super-2 number, since 2×11242481² = 252786758070722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11242081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621240 + 5621241.

It is an arithmetic number, because the mean of its divisors is an integer number (5621241).

Almost surely, 2^11242481 is an apocalyptic number.

It is an amenable number.

11242481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11242481 is an equidigital number, since it uses as much as digits as its factorization.

11242481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 512, while the sum is 23.

The square root of 11242481 is about 3352.9809125612. The cubic root of 11242481 is about 224.0203066731.

Adding to 11242481 its reverse (18424211), we get a palindrome (29666692).

The spelling of 11242481 in words is "eleven million, two hundred forty-two thousand, four hundred eighty-one".