620546159 has 2 divisors, whose sum is σ = 620546160. Its totient is φ = 620546158.

The previous prime is 620546153. The next prime is 620546197. The reversal of 620546159 is 951645026.

It is an a-pointer prime, because the next prime (620546197) can be obtained adding 620546159 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 620546159 - 2⁸ = 620545903 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620546153) 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, 310273079 + 310273080.

It is an arithmetic number, because the mean of its divisors is an integer number (310273080).

Almost surely, 2^620546159 is an apocalyptic number.

620546159 is a deficient number, since it is larger than the sum of its proper divisors (1).

620546159 is an equidigital number, since it uses as much as digits as its factorization.

620546159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 620546159 is about 24910.7639184349. The cubic root of 620546159 is about 852.9522070026.

The spelling of 620546159 in words is "six hundred twenty million, five hundred forty-six thousand, one hundred fifty-nine".