625662064103 has 2 divisors, whose sum is σ = 625662064104. Its totient is φ = 625662064102.

The previous prime is 625662064091. The next prime is 625662064163. The reversal of 625662064103 is 301460266526.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 625662064103 - 2⁸ = 625662063847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625662064163) by changing a digit.

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 as a sum of consecutive naturals, namely, 312831032051 + 312831032052.

It is an arithmetic number, because the mean of its divisors is an integer number (312831032052).

Almost surely, 2^625662064103 is an apocalyptic number.

625662064103 is a deficient number, since it is larger than the sum of its proper divisors (1).

625662064103 is an equidigital number, since it uses as much as digits as its factorization.

625662064103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 625662064103 in words is "six hundred twenty-five billion, six hundred sixty-two million, sixty-four thousand, one hundred three".