6255360121 has 2 divisors, whose sum is σ = 6255360122. Its totient is φ = 6255360120.

The previous prime is 6255360077. The next prime is 6255360157. The reversal of 6255360121 is 1210635526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3983503225 + 2271856896 = 63115^2 + 47664^2 .

It is a cyclic number.

It is not a de Polignac number, because 6255360121 - 2⁷ = 6255359993 is a prime.

It is not a weakly prime, because it can be changed into another prime (6255360161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3127680060 + 3127680061.

It is an arithmetic number, because the mean of its divisors is an integer number (3127680061).

Almost surely, 2^6255360121 is an apocalyptic number.

It is an amenable number.

6255360121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6255360121 is an equidigital number, since it uses as much as digits as its factorization.

6255360121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 6255360121 is about 79090.8346207068. The cubic root of 6255360121 is about 1842.5421816454.

Adding to 6255360121 its reverse (1210635526), we get a palindrome (7465995647).

The spelling of 6255360121 in words is "six billion, two hundred fifty-five million, three hundred sixty thousand, one hundred twenty-one".