620344097 has 2 divisors, whose sum is σ = 620344098. Its totient is φ = 620344096.

The previous prime is 620344079. The next prime is 620344181. The reversal of 620344097 is 790443026.

620344097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (620344079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 615486481 + 4857616 = 24809^2 + 2204^2 .

It is a cyclic number.

It is not a de Polignac number, because 620344097 - 2⁶ = 620344033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (620344027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310172048 + 310172049.

It is an arithmetic number, because the mean of its divisors is an integer number (310172049).

Almost surely, 2^620344097 is an apocalyptic number.

It is an amenable number.

620344097 is a deficient number, since it is larger than the sum of its proper divisors (1).

620344097 is an equidigital number, since it uses as much as digits as its factorization.

620344097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 620344097 is about 24906.7078715755. The cubic root of 620344097 is about 852.8596176298.

The spelling of 620344097 in words is "six hundred twenty million, three hundred forty-four thousand, ninety-seven".