620103601 has 4 divisors (see below), whose sum is σ = 667803892. Its totient is φ = 572403312.

The previous prime is 620103587. The next prime is 620103619. The reversal of 620103601 is 106301026.

620103601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72590400 + 547513201 = 8520^2 + 23399^2 .

It is not a de Polignac number, because 620103601 - 2⁹ = 620103089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620103641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23850126 + ... + 23850151.

It is an arithmetic number, because the mean of its divisors is an integer number (166950973).

Almost surely, 2^620103601 is an apocalyptic number.

It is an amenable number.

620103601 is a deficient number, since it is larger than the sum of its proper divisors (47700291).

620103601 is a wasteful number, since it uses less digits than its factorization.

620103601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47700290.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 620103601 is about 24901.8794672209. The cubic root of 620103601 is about 852.7493907203.

Adding to 620103601 its reverse (106301026), we get a palindrome (726404627).

The spelling of 620103601 in words is "six hundred twenty million, one hundred three thousand, six hundred one".