13533461 has 2 divisors, whose sum is σ = 13533462. Its totient is φ = 13533460.

The previous prime is 13533451. The next prime is 13533463. The reversal of 13533461 is 16433531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12117361 + 1416100 = 3481^2 + 1190^2 .

It is an emirp because it is prime and its reverse (16433531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13533461 is a prime.

Together with 13533463, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13533461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13533463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6766730 + 6766731.

It is an arithmetic number, because the mean of its divisors is an integer number (6766731).

Almost surely, 2^13533461 is an apocalyptic number.

It is an amenable number.

13533461 is a deficient number, since it is larger than the sum of its proper divisors (1).

13533461 is an equidigital number, since it uses as much as digits as its factorization.

13533461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 26.

The square root of 13533461 is about 3678.7852614688. The cubic root of 13533461 is about 238.3067215086.

Adding to 13533461 its reverse (16433531), we get a palindrome (29966992).

The spelling of 13533461 in words is "thirteen million, five hundred thirty-three thousand, four hundred sixty-one".