6304041221 has 2 divisors, whose sum is σ = 6304041222. Its totient is φ = 6304041220.

The previous prime is 6304041197. The next prime is 6304041229. The reversal of 6304041221 is 1221404036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5961384100 + 342657121 = 77210^2 + 18511^2 .

It is a cyclic number.

It is not a de Polignac number, because 6304041221 - 2¹⁸ = 6303779077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6304041229) by changing a digit.

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 as a sum of consecutive naturals, namely, 3152020610 + 3152020611.

It is an arithmetic number, because the mean of its divisors is an integer number (3152020611).

Almost surely, 2^6304041221 is an apocalyptic number.

It is an amenable number.

6304041221 is a deficient number, since it is larger than the sum of its proper divisors (1).

6304041221 is an equidigital number, since it uses as much as digits as its factorization.

6304041221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 6304041221 is about 79397.9925501898. The cubic root of 6304041221 is about 1847.3095755974.

Adding to 6304041221 its reverse (1221404036), we get a palindrome (7525445257).

The spelling of 6304041221 in words is "six billion, three hundred four million, forty-one thousand, two hundred twenty-one".