620106407 has 2 divisors, whose sum is σ = 620106408. Its totient is φ = 620106406.

The previous prime is 620106379. The next prime is 620106469. The reversal of 620106407 is 704601026.

620106407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 620106407 - 2²² = 615912103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620106497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310053203 + 310053204.

It is an arithmetic number, because the mean of its divisors is an integer number (310053204).

Almost surely, 2^620106407 is an apocalyptic number.

620106407 is a deficient number, since it is larger than the sum of its proper divisors (1).

620106407 is an equidigital number, since it uses as much as digits as its factorization.

620106407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 620106407 is about 24901.9358082861. The cubic root of 620106407 is about 852.7506769629.

The spelling of 620106407 in words is "six hundred twenty million, one hundred six thousand, four hundred seven".