625703775065 has 32 divisors (see below), whose sum is σ = 806636983680. Its totient is φ = 464483275776.

The previous prime is 625703775041. The next prime is 625703775077. The reversal of 625703775065 is 560577307526.

It is not a de Polignac number, because 625703775065 - 2¹⁶ = 625703709529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a junction number, because it is equal to n+sod(n) for n = 625703774998 and 625703775016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2880974 + ... + 3090536.

It is an arithmetic number, because the mean of its divisors is an integer number (25207405740).

Almost surely, 2^625703775065 is an apocalyptic number.

It is an amenable number.

625703775065 is a deficient number, since it is larger than the sum of its proper divisors (180933208615).

625703775065 is a wasteful number, since it uses less digits than its factorization.

625703775065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210233.

The product of its (nonzero) digits is 9261000, while the sum is 53.

The spelling of 625703775065 in words is "six hundred twenty-five billion, seven hundred three million, seven hundred seventy-five thousand, sixty-five".