6125687563 has 2 divisors, whose sum is σ = 6125687564. Its totient is φ = 6125687562.

The previous prime is 6125687549. The next prime is 6125687653. The reversal of 6125687563 is 3657865216.

Together with next prime (6125687653) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6125687563 is a prime.

It is not a weakly prime, because it can be changed into another prime (6125687363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3062843781 + 3062843782.

It is an arithmetic number, because the mean of its divisors is an integer number (3062843782).

Almost surely, 2^6125687563 is an apocalyptic number.

6125687563 is a deficient number, since it is larger than the sum of its proper divisors (1).

6125687563 is an equidigital number, since it uses as much as digits as its factorization.

6125687563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 49.

The square root of 6125687563 is about 78266.7717681009. The cubic root of 6125687563 is about 1829.7213151223.

The spelling of 6125687563 in words is "six billion, one hundred twenty-five million, six hundred eighty-seven thousand, five hundred sixty-three".