235510013 has 2 divisors, whose sum is σ = 235510014. Its totient is φ = 235510012.

The previous prime is 235510001. The next prime is 235510039. The reversal of 235510013 is 310015532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223861444 + 11648569 = 14962^2 + 3413^2 .

It is a cyclic number.

It is not a de Polignac number, because 235510013 - 2¹⁸ = 235247869 is a prime.

It is a super-4 number, since 4×235510013⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235510213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117755006 + 117755007.

It is an arithmetic number, because the mean of its divisors is an integer number (117755007).

Almost surely, 2^235510013 is an apocalyptic number.

It is an amenable number.

235510013 is a deficient number, since it is larger than the sum of its proper divisors (1).

235510013 is an equidigital number, since it uses as much as digits as its factorization.

235510013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 235510013 is about 15346.3354909242. The cubic root of 235510013 is about 617.5466812770.

Adding to 235510013 its reverse (310015532), we get a palindrome (545525545).

The spelling of 235510013 in words is "two hundred thirty-five million, five hundred ten thousand, thirteen".