6304213121 has 2 divisors, whose sum is σ = 6304213122. Its totient is φ = 6304213120.

The previous prime is 6304213117. The next prime is 6304213127. The reversal of 6304213121 is 1213124036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6287697025 + 16516096 = 79295^2 + 4064^2 .

It is a cyclic number.

It is not a de Polignac number, because 6304213121 - 2² = 6304213117 is a prime.

It is not a weakly prime, because it can be changed into another prime (6304213127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3152106560 + 3152106561.

It is an arithmetic number, because the mean of its divisors is an integer number (3152106561).

Almost surely, 2^6304213121 is an apocalyptic number.

It is an amenable number.

6304213121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6304213121 is an equidigital number, since it uses as much as digits as its factorization.

6304213121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 6304213121 is about 79399.0750638822. The cubic root of 6304213121 is about 1847.3263663944.

Adding to 6304213121 its reverse (1213124036), we get a palindrome (7517337157).

The spelling of 6304213121 in words is "six billion, three hundred four million, two hundred thirteen thousand, one hundred twenty-one".