2205054517 has 2 divisors, whose sum is σ = 2205054518. Its totient is φ = 2205054516.

The previous prime is 2205054499. The next prime is 2205054539. The reversal of 2205054517 is 7154505022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1888250116 + 316804401 = 43454^2 + 17799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2205054517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2205054587) by changing a digit.

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 as a sum of consecutive naturals, namely, 1102527258 + 1102527259.

It is an arithmetic number, because the mean of its divisors is an integer number (1102527259).

Almost surely, 2^2205054517 is an apocalyptic number.

It is an amenable number.

2205054517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205054517 is an equidigital number, since it uses as much as digits as its factorization.

2205054517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 2205054517 is about 46958.0080178025. The cubic root of 2205054517 is about 1301.5867246537.

Adding to 2205054517 its reverse (7154505022), we get a palindrome (9359559539).

It can be divided in two parts, 22050 and 54517, that added together give a palindrome (76567).

The spelling of 2205054517 in words is "two billion, two hundred five million, fifty-four thousand, five hundred seventeen".