235040017 has 2 divisors, whose sum is σ = 235040018. Its totient is φ = 235040016.

The previous prime is 235039999. The next prime is 235040023. The reversal of 235040017 is 710040532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222337921 + 12702096 = 14911^2 + 3564^2 .

It is a cyclic number.

It is not a de Polignac number, because 235040017 - 2¹¹ = 235037969 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235040017.

It is not a weakly prime, because it can be changed into another prime (235040417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117520008 + 117520009.

It is an arithmetic number, because the mean of its divisors is an integer number (117520009).

Almost surely, 2^235040017 is an apocalyptic number.

It is an amenable number.

235040017 is a deficient number, since it is larger than the sum of its proper divisors (1).

235040017 is an equidigital number, since it uses as much as digits as its factorization.

235040017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 235040017 is about 15331.0148718211. The cubic root of 235040017 is about 617.1356049689.

Adding to 235040017 its reverse (710040532), we get a palindrome (945080549).

The spelling of 235040017 in words is "two hundred thirty-five million, forty thousand, seventeen".