6255523009 has 2 divisors, whose sum is σ = 6255523010. Its totient is φ = 6255523008.

The previous prime is 6255522989. The next prime is 6255523051. The reversal of 6255523009 is 9003255526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5019297409 + 1236225600 = 70847^2 + 35160^2 .

It is a cyclic number.

It is not a de Polignac number, because 6255523009 - 2⁷ = 6255522881 is a prime.

It is a super-2 number, since 2×6255523009² = 78263136232256828162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6255523069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3127761504 + 3127761505.

It is an arithmetic number, because the mean of its divisors is an integer number (3127761505).

Almost surely, 2^6255523009 is an apocalyptic number.

It is an amenable number.

6255523009 is a deficient number, since it is larger than the sum of its proper divisors (1).

6255523009 is an equidigital number, since it uses as much as digits as its factorization.

6255523009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 6255523009 is about 79091.8643666970. The cubic root of 6255523009 is about 1842.5581746178.

The spelling of 6255523009 in words is "six billion, two hundred fifty-five million, five hundred twenty-three thousand, nine".