6304135261 has 2 divisors, whose sum is σ = 6304135262. Its totient is φ = 6304135260.

The previous prime is 6304135223. The next prime is 6304135283. The reversal of 6304135261 is 1625314036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3843380025 + 2460755236 = 61995^2 + 49606^2 .

It is a cyclic number.

It is not a de Polignac number, because 6304135261 - 2⁷ = 6304135133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6304135861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3152067630 + 3152067631.

It is an arithmetic number, because the mean of its divisors is an integer number (3152067631).

Almost surely, 2^6304135261 is an apocalyptic number.

It is an amenable number.

6304135261 is a deficient number, since it is larger than the sum of its proper divisors (1).

6304135261 is an equidigital number, since it uses as much as digits as its factorization.

6304135261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 6304135261 is about 79398.5847543897. The cubic root of 6304135261 is about 1847.3187612463.

Adding to 6304135261 its reverse (1625314036), we get a palindrome (7929449297).

The spelling of 6304135261 in words is "six billion, three hundred four million, one hundred thirty-five thousand, two hundred sixty-one".