232841813 has 2 divisors, whose sum is σ = 232841814. Its totient is φ = 232841812.

The previous prime is 232841801. The next prime is 232841821. The reversal of 232841813 is 318148232.

232841813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193126609 + 39715204 = 13897^2 + 6302^2 .

It is a cyclic number.

It is not a de Polignac number, because 232841813 - 2²² = 228647509 is a prime.

It is a super-2 number, since 2×232841813² = 108430619762253938, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 232841813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232841863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116420906 + 116420907.

It is an arithmetic number, because the mean of its divisors is an integer number (116420907).

Almost surely, 2^232841813 is an apocalyptic number.

It is an amenable number.

232841813 is a deficient number, since it is larger than the sum of its proper divisors (1).

232841813 is an equidigital number, since it uses as much as digits as its factorization.

232841813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 32.

The square root of 232841813 is about 15259.1550552447. The cubic root of 232841813 is about 615.2056623732.

The spelling of 232841813 in words is "two hundred thirty-two million, eight hundred forty-one thousand, eight hundred thirteen".