15000317 has 2 divisors, whose sum is σ = 15000318. Its totient is φ = 15000316.

The previous prime is 15000299. The next prime is 15000343. The reversal of 15000317 is 71300051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13586596 + 1413721 = 3686^2 + 1189^2 .

It is an emirp because it is prime and its reverse (71300051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15000317 - 2¹² = 14996221 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 15000295 and 15000304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15000017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7500158 + 7500159.

It is an arithmetic number, because the mean of its divisors is an integer number (7500159).

Almost surely, 2^15000317 is an apocalyptic number.

It is an amenable number.

15000317 is a deficient number, since it is larger than the sum of its proper divisors (1).

15000317 is an equidigital number, since it uses as much as digits as its factorization.

15000317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 15000317 is about 3873.0242705152. The cubic root of 15000317 is about 246.6229447302.

Adding to 15000317 its reverse (71300051), we get a palindrome (86300368).

The spelling of 15000317 in words is "fifteen million, three hundred seventeen", and thus it is an aban number.