2518242613 has 2 divisors, whose sum is σ = 2518242614. Its totient is φ = 2518242612.

The previous prime is 2518242581. The next prime is 2518242677. The reversal of 2518242613 is 3162428152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2178835684 + 339406929 = 46678^2 + 18423^2 .

It is a cyclic number.

It is not a de Polignac number, because 2518242613 - 2⁵ = 2518242581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2518246613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1259121306 + 1259121307.

It is an arithmetic number, because the mean of its divisors is an integer number (1259121307).

Almost surely, 2^2518242613 is an apocalyptic number.

It is an amenable number.

2518242613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2518242613 is an equidigital number, since it uses as much as digits as its factorization.

2518242613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The square root of 2518242613 is about 50182.0945457640. The cubic root of 2518242613 is about 1360.5020156850.

The spelling of 2518242613 in words is "two billion, five hundred eighteen million, two hundred forty-two thousand, six hundred thirteen".