2015760013 has 2 divisors, whose sum is σ = 2015760014. Its totient is φ = 2015760012.

The previous prime is 2015759983. The next prime is 2015760031. The reversal of 2015760013 is 3100675102.

Together with next prime (2015760031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1499470729 + 516289284 = 38723^2 + 22722^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015760013 - 2¹³ = 2015751821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2015760013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015760083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007880006 + 1007880007.

It is an arithmetic number, because the mean of its divisors is an integer number (1007880007).

Almost surely, 2^2015760013 is an apocalyptic number.

It is an amenable number.

2015760013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015760013 is an equidigital number, since it uses as much as digits as its factorization.

2015760013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 2015760013 is about 44897.2160940965. The cubic root of 2015760013 is about 1263.2217904194.

The spelling of 2015760013 in words is "two billion, fifteen million, seven hundred sixty thousand, thirteen".