620008117 has 2 divisors, whose sum is σ = 620008118. Its totient is φ = 620008116.

The previous prime is 620008073. The next prime is 620008157. The reversal of 620008117 is 711800026.

620008117 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., 471801841 + 148206276 = 21721^2 + 12174^2 .

It is a cyclic number.

It is not a de Polignac number, because 620008117 - 2⁷ = 620007989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620008091 and 620008100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620008157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310004058 + 310004059.

It is an arithmetic number, because the mean of its divisors is an integer number (310004059).

Almost surely, 2^620008117 is an apocalyptic number.

It is an amenable number.

620008117 is a deficient number, since it is larger than the sum of its proper divisors (1).

620008117 is an equidigital number, since it uses as much as digits as its factorization.

620008117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 620008117 is about 24899.9621887263. The cubic root of 620008117 is about 852.7056194847.

The spelling of 620008117 in words is "six hundred twenty million, eight thousand, one hundred seventeen".