2051412305 has 4 divisors (see below), whose sum is σ = 2461694772. Its totient is φ = 1641129840.

The previous prime is 2051412299. The next prime is 2051412317. The reversal of 2051412305 is 5032141502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5032141502 = 2 ⋅2516070751.

It can be written as a sum of positive squares in 2 ways, for example, as 1602480961 + 448931344 = 40031^2 + 21188^2 .

It is not a de Polignac number, because 2051412305 - 2⁴ = 2051412289 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205141226 + ... + 205141235.

It is an arithmetic number, because the mean of its divisors is an integer number (615423693).

Almost surely, 2^2051412305 is an apocalyptic number.

It is an amenable number.

2051412305 is a deficient number, since it is larger than the sum of its proper divisors (410282467).

2051412305 is an equidigital number, since it uses as much as digits as its factorization.

2051412305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410282466.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2051412305 is about 45292.5193050685. The cubic root of 2051412305 is about 1270.6257492515.

Adding to 2051412305 its reverse (5032141502), we get a palindrome (7083553807).

The spelling of 2051412305 in words is "two billion, fifty-one million, four hundred twelve thousand, three hundred five".