11529389 has 2 divisors, whose sum is σ = 11529390. Its totient is φ = 11529388.

The previous prime is 11529377. The next prime is 11529403. The reversal of 11529389 is 98392511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11526025 + 3364 = 3395^2 + 58^2 .

It is a cyclic number.

It is not a de Polignac number, because 11529389 - 2⁴ = 11529373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11529319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5764694 + 5764695.

It is an arithmetic number, because the mean of its divisors is an integer number (5764695).

Almost surely, 2^11529389 is an apocalyptic number.

It is an amenable number.

11529389 is a deficient number, since it is larger than the sum of its proper divisors (1).

11529389 is an equidigital number, since it uses as much as digits as its factorization.

11529389 is an evil number, because the sum of its binary digits is even.

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

The square root of 11529389 is about 3395.4953983182. The cubic root of 11529389 is about 225.9099871261.

The spelling of 11529389 in words is "eleven million, five hundred twenty-nine thousand, three hundred eighty-nine".