11875489 has 2 divisors, whose sum is σ = 11875490. Its totient is φ = 11875488.

The previous prime is 11875481. The next prime is 11875499. The reversal of 11875489 is 98457811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11785489 + 90000 = 3433^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 11875489 - 2³ = 11875481 is a prime.

It is not a weakly prime, because it can be changed into another prime (11875481) 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, 5937744 + 5937745.

It is an arithmetic number, because the mean of its divisors is an integer number (5937745).

Almost surely, 2^11875489 is an apocalyptic number.

It is an amenable number.

11875489 is a deficient number, since it is larger than the sum of its proper divisors (1).

11875489 is an equidigital number, since it uses as much as digits as its factorization.

11875489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 43.

The square root of 11875489 is about 3446.0831388694. The cubic root of 11875489 is about 228.1482633185.

The spelling of 11875489 in words is "eleven million, eight hundred seventy-five thousand, four hundred eighty-nine".