620051217 has 16 divisors (see below), whose sum is σ = 899027712. Its totient is φ = 378535680.

The previous prime is 620051209. The next prime is 620051231. The reversal of 620051217 is 712150026.

620051217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 620051217 - 2³ = 620051209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620051287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162409 + ... + 166182.

It is an arithmetic number, because the mean of its divisors is an integer number (56189232).

Almost surely, 2^620051217 is an apocalyptic number.

It is an amenable number.

620051217 is a deficient number, since it is larger than the sum of its proper divisors (278976495).

620051217 is a wasteful number, since it uses less digits than its factorization.

620051217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328648.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 620051217 is about 24900.8276368477. The cubic root of 620051217 is about 852.7253776995.

The spelling of 620051217 in words is "six hundred twenty million, fifty-one thousand, two hundred seventeen".