2105084057 has 2 divisors, whose sum is σ = 2105084058. Its totient is φ = 2105084056.

The previous prime is 2105084053. The next prime is 2105084063. The reversal of 2105084057 is 7504805012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2082005641 + 23078416 = 45629^2 + 4804^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105084057 - 2² = 2105084053 is a prime.

It is not a weakly prime, because it can be changed into another prime (2105084053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052542028 + 1052542029.

It is an arithmetic number, because the mean of its divisors is an integer number (1052542029).

Almost surely, 2^2105084057 is an apocalyptic number.

It is an amenable number.

2105084057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105084057 is an equidigital number, since it uses as much as digits as its factorization.

2105084057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 2105084057 is about 45881.1950258491. The cubic root of 2105084057 is about 1281.6117507912.

Adding to 2105084057 its reverse (7504805012), we get a palindrome (9609889069).

The spelling of 2105084057 in words is "two billion, one hundred five million, eighty-four thousand, fifty-seven".