13485553 has 2 divisors, whose sum is σ = 13485554. Its totient is φ = 13485552.

The previous prime is 13485503. The next prime is 13485557. The reversal of 13485553 is 35558431.

13485553 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 can be written as a sum of positive squares in only one way, i.e., 13454224 + 31329 = 3668^2 + 177^2 .

It is an emirp because it is prime and its reverse (35558431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13485553 is a prime.

It is not a weakly prime, because it can be changed into another prime (13485557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6742776 + 6742777.

It is an arithmetic number, because the mean of its divisors is an integer number (6742777).

Almost surely, 2^13485553 is an apocalyptic number.

It is an amenable number.

13485553 is a deficient number, since it is larger than the sum of its proper divisors (1).

13485553 is an equidigital number, since it uses as much as digits as its factorization.

13485553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 34.

The square root of 13485553 is about 3672.2681002345. The cubic root of 13485553 is about 238.0251897638.

The spelling of 13485553 in words is "thirteen million, four hundred eighty-five thousand, five hundred fifty-three".