11237489 has 2 divisors, whose sum is σ = 11237490. Its totient is φ = 11237488.

The previous prime is 11237437. The next prime is 11237509. The reversal of 11237489 is 98473211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9560464 + 1677025 = 3092^2 + 1295^2 .

It is an emirp because it is prime and its reverse (98473211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11237489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11237389) 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, 5618744 + 5618745.

It is an arithmetic number, because the mean of its divisors is an integer number (5618745).

Almost surely, 2^11237489 is an apocalyptic number.

It is an amenable number.

11237489 is a deficient number, since it is larger than the sum of its proper divisors (1).

11237489 is an equidigital number, since it uses as much as digits as its factorization.

11237489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 11237489 is about 3352.2364176770. The cubic root of 11237489 is about 223.9871445110.

The spelling of 11237489 in words is "eleven million, two hundred thirty-seven thousand, four hundred eighty-nine".