13514204321 has 2 divisors, whose sum is σ = 13514204322. Its totient is φ = 13514204320.

The previous prime is 13514204317. The next prime is 13514204401. The reversal of 13514204321 is 12340241531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12445633600 + 1068570721 = 111560^2 + 32689^2 .

It is a cyclic number.

It is not a de Polignac number, because 13514204321 - 2² = 13514204317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13514201321) 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, 6757102160 + 6757102161.

It is an arithmetic number, because the mean of its divisors is an integer number (6757102161).

Almost surely, 2^13514204321 is an apocalyptic number.

It is an amenable number.

13514204321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13514204321 is an equidigital number, since it uses as much as digits as its factorization.

13514204321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13514204321 its reverse (12340241531), we get a palindrome (25854445852).

The spelling of 13514204321 in words is "thirteen billion, five hundred fourteen million, two hundred four thousand, three hundred twenty-one".