15005250317 has 2 divisors, whose sum is σ = 15005250318. Its totient is φ = 15005250316.

The previous prime is 15005250307. The next prime is 15005250331. The reversal of 15005250317 is 71305250051.

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., 13367753161 + 1637497156 = 115619^2 + 40466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15005250317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15005250317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15005250307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7502625158 + 7502625159.

It is an arithmetic number, because the mean of its divisors is an integer number (7502625159).

Almost surely, 2^15005250317 is an apocalyptic number.

It is an amenable number.

15005250317 is a deficient number, since it is larger than the sum of its proper divisors (1).

15005250317 is an equidigital number, since it uses as much as digits as its factorization.

15005250317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5250, while the sum is 29.

The spelling of 15005250317 in words is "fifteen billion, five million, two hundred fifty thousand, three hundred seventeen".