3563054221 has 2 divisors, whose sum is σ = 3563054222. Its totient is φ = 3563054220.

The previous prime is 3563054219. The next prime is 3563054237. The reversal of 3563054221 is 1224503653.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2439866025 + 1123188196 = 49395^2 + 33514^2 .

It is a cyclic number.

It is not a de Polignac number, because 3563054221 - 2¹ = 3563054219 is a prime.

Together with 3563054219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3563054251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1781527110 + 1781527111.

It is an arithmetic number, because the mean of its divisors is an integer number (1781527111).

Almost surely, 2^3563054221 is an apocalyptic number.

It is an amenable number.

3563054221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3563054221 is an equidigital number, since it uses as much as digits as its factorization.

3563054221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 3563054221 is about 59691.3245036496. The cubic root of 3563054221 is about 1527.3578819583.

Adding to 3563054221 its reverse (1224503653), we get a palindrome (4787557874).

The spelling of 3563054221 in words is "three billion, five hundred sixty-three million, fifty-four thousand, two hundred twenty-one".