620660113 has 2 divisors, whose sum is σ = 620660114. Its totient is φ = 620660112.

The previous prime is 620660077. The next prime is 620660119. The reversal of 620660113 is 311066026.

620660113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493150849 + 127509264 = 22207^2 + 11292^2 .

It is a cyclic number.

It is not a de Polignac number, because 620660113 - 2⁹ = 620659601 is a prime.

It is not a weakly prime, because it can be changed into another prime (620660119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310330056 + 310330057.

It is an arithmetic number, because the mean of its divisors is an integer number (310330057).

Almost surely, 2^620660113 is an apocalyptic number.

It is an amenable number.

620660113 is a deficient number, since it is larger than the sum of its proper divisors (1).

620660113 is an equidigital number, since it uses as much as digits as its factorization.

620660113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 620660113 is about 24913.0510576284. The cubic root of 620660113 is about 853.0044144360.

The spelling of 620660113 in words is "six hundred twenty million, six hundred sixty thousand, one hundred thirteen".