2105084245 has 16 divisors (see below), whose sum is σ = 2917850688. Its totient is φ = 1440912640.

The previous prime is 2105084239. The next prime is 2105084291. The reversal of 2105084245 is 5424805012.

It is not a de Polignac number, because 2105084245 - 2¹¹ = 2105082197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1124779 + ... + 1126648.

It is an arithmetic number, because the mean of its divisors is an integer number (182365668).

Almost surely, 2^2105084245 is an apocalyptic number.

It is an amenable number.

2105084245 is a deficient number, since it is larger than the sum of its proper divisors (812766443).

2105084245 is a wasteful number, since it uses less digits than its factorization.

2105084245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251460.

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 2105084245 is about 45881.1970746187. The cubic root of 2105084245 is about 1281.6117889438.

Adding to 2105084245 its reverse (5424805012), we get a palindrome (7529889257).

The spelling of 2105084245 in words is "two billion, one hundred five million, eighty-four thousand, two hundred forty-five".