625513616323 has 4 divisors (see below), whose sum is σ = 625520581920. Its totient is φ = 625506650728.

The previous prime is 625513616297. The next prime is 625513616327. The reversal of 625513616323 is 323616315526.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 625513616323 - 2⁵ = 625513616291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 625513616323.

It is not an unprimeable number, because it can be changed into a prime (625513616327) 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 in 3 ways as a sum of consecutive naturals, for example, 3346315 + ... + 3528292.

It is an arithmetic number, because the mean of its divisors is an integer number (156380145480).

Almost surely, 2^625513616323 is an apocalyptic number.

625513616323 is a deficient number, since it is larger than the sum of its proper divisors (6965597).

625513616323 is an equidigital number, since it uses as much as digits as its factorization.

625513616323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965596.

The product of its digits is 583200, while the sum is 43.

The spelling of 625513616323 in words is "six hundred twenty-five billion, five hundred thirteen million, six hundred sixteen thousand, three hundred twenty-three".