14563309 has 2 divisors, whose sum is σ = 14563310. Its totient is φ = 14563308.

The previous prime is 14563259. The next prime is 14563331. The reversal of 14563309 is 90336541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10381284 + 4182025 = 3222^2 + 2045^2 .

It is an emirp because it is prime and its reverse (90336541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14563309 - 2¹³ = 14555117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14563379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7281654 + 7281655.

It is an arithmetic number, because the mean of its divisors is an integer number (7281655).

Almost surely, 2^14563309 is an apocalyptic number.

It is an amenable number.

14563309 is a deficient number, since it is larger than the sum of its proper divisors (1).

14563309 is an equidigital number, since it uses as much as digits as its factorization.

14563309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 14563309 is about 3816.1903778507. The cubic root of 14563309 is about 244.2043269665.

The spelling of 14563309 in words is "fourteen million, five hundred sixty-three thousand, three hundred nine".