506935321 has 2 divisors, whose sum is σ = 506935322. Its totient is φ = 506935320.

The previous prime is 506935313. The next prime is 506935349. The reversal of 506935321 is 123539605.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 486820096 + 20115225 = 22064^2 + 4485^2 .

It is a cyclic number.

It is not a de Polignac number, because 506935321 - 2³ = 506935313 is a prime.

It is not a weakly prime, because it can be changed into another prime (506935361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253467660 + 253467661.

It is an arithmetic number, because the mean of its divisors is an integer number (253467661).

Almost surely, 2^506935321 is an apocalyptic number.

It is an amenable number.

506935321 is a deficient number, since it is larger than the sum of its proper divisors (1).

506935321 is an equidigital number, since it uses as much as digits as its factorization.

506935321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 506935321 is about 22515.2242049685. The cubic root of 506935321 is about 797.3534003976.

The spelling of 506935321 in words is "five hundred six million, nine hundred thirty-five thousand, three hundred twenty-one".