13535573 has 2 divisors, whose sum is σ = 13535574. Its totient is φ = 13535572.

The previous prime is 13535567. The next prime is 13535591. The reversal of 13535573 is 37553531.

13535573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8162449 + 5373124 = 2857^2 + 2318^2 .

It is an emirp because it is prime and its reverse (37553531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13535573 - 2⁸ = 13535317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13535513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6767786 + 6767787.

It is an arithmetic number, because the mean of its divisors is an integer number (6767787).

Almost surely, 2^13535573 is an apocalyptic number.

It is an amenable number.

13535573 is a deficient number, since it is larger than the sum of its proper divisors (1).

13535573 is an equidigital number, since it uses as much as digits as its factorization.

13535573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23625, while the sum is 32.

The square root of 13535573 is about 3679.0723015456. The cubic root of 13535573 is about 238.3191173920.

The spelling of 13535573 in words is "thirteen million, five hundred thirty-five thousand, five hundred seventy-three".