13545313 has 2 divisors, whose sum is σ = 13545314. Its totient is φ = 13545312.

The previous prime is 13545283. The next prime is 13545331. The reversal of 13545313 is 31354531.

Together with next prime (13545331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11607649 + 1937664 = 3407^2 + 1392^2 .

It is a cyclic number.

It is not a de Polignac number, because 13545313 - 2⁵ = 13545281 is a prime.

It is not a weakly prime, because it can be changed into another prime (13545373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6772656 + 6772657.

It is an arithmetic number, because the mean of its divisors is an integer number (6772657).

Almost surely, 2^13545313 is an apocalyptic number.

It is an amenable number.

13545313 is a deficient number, since it is larger than the sum of its proper divisors (1).

13545313 is an equidigital number, since it uses as much as digits as its factorization.

13545313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 25.

The square root of 13545313 is about 3680.3957667620. The cubic root of 13545313 is about 238.3762673344.

Adding to 13545313 its reverse (31354531), we get a palindrome (44899844).

The spelling of 13545313 in words is "thirteen million, five hundred forty-five thousand, three hundred thirteen".