2015317259 has 2 divisors, whose sum is σ = 2015317260. Its totient is φ = 2015317258.

The previous prime is 2015317253. The next prime is 2015317301. The reversal of 2015317259 is 9527135102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2015317259 - 2⁴ = 2015317243 is a prime.

It is not a weakly prime, because it can be changed into another prime (2015317253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007658629 + 1007658630.

It is an arithmetic number, because the mean of its divisors is an integer number (1007658630).

Almost surely, 2^2015317259 is an apocalyptic number.

2015317259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015317259 is an equidigital number, since it uses as much as digits as its factorization.

2015317259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 2015317259 is about 44892.2850721591. The cubic root of 2015317259 is about 1263.1292963640.

The spelling of 2015317259 in words is "two billion, fifteen million, three hundred seventeen thousand, two hundred fifty-nine".