11389529 has 2 divisors, whose sum is σ = 11389530. Its totient is φ = 11389528.

The previous prime is 11389517. The next prime is 11389549. The reversal of 11389529 is 92598311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7075600 + 4313929 = 2660^2 + 2077^2 .

It is a cyclic number.

It is not a de Polignac number, because 11389529 - 2¹² = 11385433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11389492 and 11389501.

It is not a weakly prime, because it can be changed into another prime (11389549) 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, 5694764 + 5694765.

It is an arithmetic number, because the mean of its divisors is an integer number (5694765).

Almost surely, 2^11389529 is an apocalyptic number.

It is an amenable number.

11389529 is a deficient number, since it is larger than the sum of its proper divisors (1).

11389529 is an equidigital number, since it uses as much as digits as its factorization.

11389529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 38.

The square root of 11389529 is about 3374.8376257236. The cubic root of 11389529 is about 224.9927833076.

The spelling of 11389529 in words is "eleven million, three hundred eighty-nine thousand, five hundred twenty-nine".