2015051317 has 2 divisors, whose sum is σ = 2015051318. Its totient is φ = 2015051316.

The previous prime is 2015051287. The next prime is 2015051323. The reversal of 2015051317 is 7131505102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1112289201 + 902762116 = 33351^2 + 30046^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015051317 - 2⁷ = 2015051189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2015051291 and 2015051300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015051347) 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, 1007525658 + 1007525659.

It is an arithmetic number, because the mean of its divisors is an integer number (1007525659).

Almost surely, 2^2015051317 is an apocalyptic number.

It is an amenable number.

2015051317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015051317 is an equidigital number, since it uses as much as digits as its factorization.

2015051317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 2015051317 is about 44889.3229732862. The cubic root of 2015051317 is about 1263.0737329191.

Adding to 2015051317 its reverse (7131505102), we get a palindrome (9146556419).

The spelling of 2015051317 in words is "two billion, fifteen million, fifty-one thousand, three hundred seventeen".