650738101 has 8 divisors (see below), whose sum is σ = 717888024. Its totient is φ = 586030080.

The previous prime is 650738021. The next prime is 650738111. The reversal of 650738101 is 101837056.

It can be written as a sum of positive squares in 4 ways, for example, as 998001 + 649740100 = 999^2 + 25490^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 650738101 - 2⁹ = 650737589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650738111) 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 in 7 ways as a sum of consecutive naturals, for example, 609916 + ... + 610981.

It is an arithmetic number, because the mean of its divisors is an integer number (89736003).

Almost surely, 2^650738101 is an apocalyptic number.

It is an amenable number.

650738101 is a deficient number, since it is larger than the sum of its proper divisors (67149923).

650738101 is a wasteful number, since it uses less digits than its factorization.

650738101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220951.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 650738101 is about 25509.5688125064. The cubic root of 650738101 is about 866.5668643623.

The spelling of 650738101 in words is "six hundred fifty million, seven hundred thirty-eight thousand, one hundred one".