2105241013 has 2 divisors, whose sum is σ = 2105241014. Its totient is φ = 2105241012.

The previous prime is 2105241011. The next prime is 2105241043. The reversal of 2105241013 is 3101425012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1390320369 + 714920644 = 37287^2 + 26738^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105241013 - 2¹ = 2105241011 is a prime.

Together with 2105241011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105241011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052620506 + 1052620507.

It is an arithmetic number, because the mean of its divisors is an integer number (1052620507).

Almost surely, 2^2105241013 is an apocalyptic number.

It is an amenable number.

2105241013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105241013 is an equidigital number, since it uses as much as digits as its factorization.

2105241013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2105241013 is about 45882.9054550821. The cubic root of 2105241013 is about 1281.6436025130.

Adding to 2105241013 its reverse (3101425012), we get a palindrome (5206666025).

The spelling of 2105241013 in words is "two billion, one hundred five million, two hundred forty-one thousand, thirteen".