625625625063 has 16 divisors (see below), whose sum is σ = 898491313280. Its totient is φ = 385942856544.

The previous prime is 625625625061. The next prime is 625625625071. The reversal of 625625625063 is 360526526526.

625625625063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 625625625063 - 2¹ = 625625625061 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625625625061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127624156 + ... + 127629057.

It is an arithmetic number, because the mean of its divisors is an integer number (56155707080).

Almost surely, 2^625625625063 is an apocalyptic number.

625625625063 is a deficient number, since it is larger than the sum of its proper divisors (272865688217).

625625625063 is a wasteful number, since it uses less digits than its factorization.

625625625063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255253278.

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 625625625063 in words is "six hundred twenty-five billion, six hundred twenty-five million, six hundred twenty-five thousand, sixty-three".