650642103 has 24 divisors (see below), whose sum is σ = 961379328. Its totient is φ = 423839952.

The previous prime is 650642093. The next prime is 650642117. The reversal of 650642103 is 301246056.

650642103 is a `hidden beast` number, since 6 + 5 + 0 + 642 + 10 + 3 = 666.

It is not a de Polignac number, because 650642103 - 2⁴ = 650642087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650642123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 448926 + ... + 450372.

It is an arithmetic number, because the mean of its divisors is an integer number (40057472).

Almost surely, 2^650642103 is an apocalyptic number.

650642103 is a deficient number, since it is larger than the sum of its proper divisors (310737225).

650642103 is a wasteful number, since it uses less digits than its factorization.

With its successor (650642104) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (2560).

With its successor (650642104) it forms an eRAP, since the sums of their prime factors are consecutive (2563 and 2564).

650642103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563 (or 2560 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 650642103 is about 25507.6871354500. The cubic root of 650642103 is about 866.5242497903.

Adding to 650642103 its reverse (301246056), we get a palindrome (951888159).

The spelling of 650642103 in words is "six hundred fifty million, six hundred forty-two thousand, one hundred three".