620325659 has 2 divisors, whose sum is σ = 620325660. Its totient is φ = 620325658.

The previous prime is 620325619. The next prime is 620325679. The reversal of 620325659 is 956523026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620325659 - 2²⁰ = 619277083 is a prime.

It is not a weakly prime, because it can be changed into another prime (620325619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310162829 + 310162830.

It is an arithmetic number, because the mean of its divisors is an integer number (310162830).

Almost surely, 2^620325659 is an apocalyptic number.

620325659 is a deficient number, since it is larger than the sum of its proper divisors (1).

620325659 is an equidigital number, since it uses as much as digits as its factorization.

620325659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 620325659 is about 24906.3377275745. The cubic root of 620325659 is about 852.8511679207.

The spelling of 620325659 in words is "six hundred twenty million, three hundred twenty-five thousand, six hundred fifty-nine".