115266013 has 2 divisors, whose sum is σ = 115266014. Its totient is φ = 115266012.

The previous prime is 115266007. The next prime is 115266023. The reversal of 115266013 is 310662511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86825124 + 28440889 = 9318^2 + 5333^2 .

It is an emirp because it is prime and its reverse (310662511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115266013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115266023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57633006 + 57633007.

It is an arithmetic number, because the mean of its divisors is an integer number (57633007).

Almost surely, 2^115266013 is an apocalyptic number.

It is an amenable number.

115266013 is a deficient number, since it is larger than the sum of its proper divisors (1).

115266013 is an equidigital number, since it uses as much as digits as its factorization.

115266013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 115266013 is about 10736.2010506510. The cubic root of 115266013 is about 486.6690827323.

The spelling of 115266013 in words is "one hundred fifteen million, two hundred sixty-six thousand, thirteen".