506950109 has 2 divisors, whose sum is σ = 506950110. Its totient is φ = 506950108.

The previous prime is 506950079. The next prime is 506950123. The reversal of 506950109 is 901059605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 500774884 + 6175225 = 22378^2 + 2485^2 .

It is a cyclic number.

It is not a de Polignac number, because 506950109 - 2⁸ = 506949853 is a prime.

It is a super-2 number, since 2×506950109² = 513996826030223762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506950159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253475054 + 253475055.

It is an arithmetic number, because the mean of its divisors is an integer number (253475055).

Almost surely, 2^506950109 is an apocalyptic number.

It is an amenable number.

506950109 is a deficient number, since it is larger than the sum of its proper divisors (1).

506950109 is an equidigital number, since it uses as much as digits as its factorization.

506950109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 506950109 is about 22515.5526025901. The cubic root of 506950109 is about 797.3611536204.

The spelling of 506950109 in words is "five hundred six million, nine hundred fifty thousand, one hundred nine".