500601109 has 2 divisors, whose sum is σ = 500601110. Its totient is φ = 500601108.

The previous prime is 500601071. The next prime is 500601121. The reversal of 500601109 is 901106005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265592209 + 235008900 = 16297^2 + 15330^2 .

It is a cyclic number.

It is not a de Polignac number, because 500601109 - 2¹⁹ = 500076821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 500601109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500601149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250300554 + 250300555.

It is an arithmetic number, because the mean of its divisors is an integer number (250300555).

Almost surely, 2^500601109 is an apocalyptic number.

It is an amenable number.

500601109 is a deficient number, since it is larger than the sum of its proper divisors (1).

500601109 is an equidigital number, since it uses as much as digits as its factorization.

500601109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 500601109 is about 22374.1169434684. The cubic root of 500601109 is about 794.0184656268.

The spelling of 500601109 in words is "five hundred million, six hundred one thousand, one hundred nine".