235343081 has 2 divisors, whose sum is σ = 235343082. Its totient is φ = 235343080.

The previous prime is 235343077. The next prime is 235343111. The reversal of 235343081 is 180343532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193210000 + 42133081 = 13900^2 + 6491^2 .

It is a cyclic number.

It is not a de Polignac number, because 235343081 - 2² = 235343077 is a prime.

It is a super-2 number, since 2×235343081² = 110772731549145122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (235343011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117671540 + 117671541.

It is an arithmetic number, because the mean of its divisors is an integer number (117671541).

Almost surely, 2^235343081 is an apocalyptic number.

It is an amenable number.

235343081 is a deficient number, since it is larger than the sum of its proper divisors (1).

235343081 is an equidigital number, since it uses as much as digits as its factorization.

235343081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 235343081 is about 15340.8957039672. The cubic root of 235343081 is about 617.4007389063.

The spelling of 235343081 in words is "two hundred thirty-five million, three hundred forty-three thousand, eighty-one".