13529291 has 2 divisors, whose sum is σ = 13529292. Its totient is φ = 13529290.

The previous prime is 13529281. The next prime is 13529293. The reversal of 13529291 is 19292531.

13529291 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13529291 - 2¹⁴ = 13512907 is a prime.

It is a Sophie Germain prime.

Together with 13529293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13529293) 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, 6764645 + 6764646.

It is an arithmetic number, because the mean of its divisors is an integer number (6764646).

Almost surely, 2^13529291 is an apocalyptic number.

13529291 is a deficient number, since it is larger than the sum of its proper divisors (1).

13529291 is an equidigital number, since it uses as much as digits as its factorization.

13529291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 32.

The square root of 13529291 is about 3678.2184546326. The cubic root of 13529291 is about 238.2822428944.

The spelling of 13529291 in words is "thirteen million, five hundred twenty-nine thousand, two hundred ninety-one".