2086105025 has 6 divisors (see below), whose sum is σ = 2586770262. Its totient is φ = 1668884000.

The previous prime is 2086104983. The next prime is 2086105079. The reversal of 2086105025 is 5205016802.

It can be written as a sum of positive squares in 3 ways, for example, as 24127744 + 2061977281 = 4912^2 + 45409^2 .

It is not a de Polignac number, because 2086105025 - 2⁶ = 2086104961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41722076 + ... + 41722125.

It is an arithmetic number, because the mean of its divisors is an integer number (431128377).

Almost surely, 2^2086105025 is an apocalyptic number.

2086105025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2086105025 is a deficient number, since it is larger than the sum of its proper divisors (500665237).

2086105025 is an equidigital number, since it uses as much as digits as its factorization.

2086105025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83444211 (or 83444206 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 2086105025 is about 45673.8987278292. The cubic root of 2086105025 is about 1277.7485292542.

The spelling of 2086105025 in words is "two billion, eighty-six million, one hundred five thousand, twenty-five".