235418213 has 2 divisors, whose sum is σ = 235418214. Its totient is φ = 235418212.

The previous prime is 235418207. The next prime is 235418231. The reversal of 235418213 is 312814532.

It is a happy number.

Together with next prime (235418231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145130209 + 90288004 = 12047^2 + 9502^2 .

It is a cyclic number.

It is not a de Polignac number, because 235418213 - 2⁸ = 235417957 is a prime.

It is a super-2 number, since 2×235418213² = 110843470024226738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235418233) 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, 117709106 + 117709107.

It is an arithmetic number, because the mean of its divisors is an integer number (117709107).

Almost surely, 2^235418213 is an apocalyptic number.

It is an amenable number.

235418213 is a deficient number, since it is larger than the sum of its proper divisors (1).

235418213 is an equidigital number, since it uses as much as digits as its factorization.

235418213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 235418213 is about 15343.3442573645. The cubic root of 235418213 is about 617.4664325265.

The spelling of 235418213 in words is "two hundred thirty-five million, four hundred eighteen thousand, two hundred thirteen".