2050805245 has 4 divisors (see below), whose sum is σ = 2460966300. Its totient is φ = 1640644192.

The previous prime is 2050805231. The next prime is 2050805269. The reversal of 2050805245 is 5425080502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 472888516 + 1577916729 = 21746^2 + 39723^2 .

It is a cyclic number.

It is not a de Polignac number, because 2050805245 - 2¹⁷ = 2050674173 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205080520 + ... + 205080529.

It is an arithmetic number, because the mean of its divisors is an integer number (615241575).

Almost surely, 2^2050805245 is an apocalyptic number.

It is an amenable number.

2050805245 is a deficient number, since it is larger than the sum of its proper divisors (410161055).

2050805245 is an equidigital number, since it uses as much as digits as its factorization.

2050805245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410161054.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 2050805245 is about 45285.8172610366. The cubic root of 2050805245 is about 1270.5004011089.

Adding to 2050805245 its reverse (5425080502), we get a palindrome (7475885747).

The spelling of 2050805245 in words is "two billion, fifty million, eight hundred five thousand, two hundred forty-five".