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2015052317 is a prime number
BaseRepresentation
bin111100000011011…
…0100001000011101
312012102200021010022
41320012310020131
513111323133232
6531541321525
7100635443045
oct17006641035
95172607108
102015052317
119444986a3
12482a062a5
13261617765
14151896725
15bbd87812
hex781b421d

2015052317 has 2 divisors, whose sum is σ = 2015052318. Its totient is φ = 2015052316.

The previous prime is 2015052271. The next prime is 2015052329. The reversal of 2015052317 is 7132505102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1941195481 + 73856836 = 44059^2 + 8594^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015052317 - 26 = 2015052253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015052367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007526158 + 1007526159.

It is an arithmetic number, because the mean of its divisors is an integer number (1007526159).

Almost surely, 22015052317 is an apocalyptic number.

It is an amenable number.

2015052317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015052317 is an equidigital number, since it uses as much as digits as its factorization.

2015052317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 2015052317 is about 44889.3341117910. The cubic root of 2015052317 is about 1263.0739418590.

Adding to 2015052317 its reverse (7132505102), we get a palindrome (9147557419).

The spelling of 2015052317 in words is "two billion, fifteen million, fifty-two thousand, three hundred seventeen".