13503101 has 2 divisors, whose sum is σ = 13503102. Its totient is φ = 13503100.

The previous prime is 13503089. The next prime is 13503103. The reversal of 13503101 is 10130531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12602500 + 900601 = 3550^2 + 949^2 .

It is an emirp because it is prime and its reverse (10130531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13503101 is a prime.

Together with 13503103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13503103) 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, 6751550 + 6751551.

It is an arithmetic number, because the mean of its divisors is an integer number (6751551).

Almost surely, 2^13503101 is an apocalyptic number.

It is an amenable number.

13503101 is a deficient number, since it is larger than the sum of its proper divisors (1).

13503101 is an equidigital number, since it uses as much as digits as its factorization.

13503101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 13503101 is about 3674.6565825938. The cubic root of 13503101 is about 238.1283879945.

Adding to 13503101 its reverse (10130531), we get a palindrome (23633632).

The spelling of 13503101 in words is "thirteen million, five hundred three thousand, one hundred one".