15314213 has 2 divisors, whose sum is σ = 15314214. Its totient is φ = 15314212.

The previous prime is 15314207. The next prime is 15314237. The reversal of 15314213 is 31241351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14010049 + 1304164 = 3743^2 + 1142^2 .

It is an emirp because it is prime and its reverse (31241351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15314213 - 2¹² = 15310117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15310213) 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, 7657106 + 7657107.

It is an arithmetic number, because the mean of its divisors is an integer number (7657107).

Almost surely, 2^15314213 is an apocalyptic number.

It is an amenable number.

15314213 is a deficient number, since it is larger than the sum of its proper divisors (1).

15314213 is an equidigital number, since it uses as much as digits as its factorization.

15314213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 20.

The square root of 15314213 is about 3913.3378336147. The cubic root of 15314213 is about 248.3313566299.

Adding to 15314213 its reverse (31241351), we get a palindrome (46555564).

The spelling of 15314213 in words is "fifteen million, three hundred fourteen thousand, two hundred thirteen".