235091 has 2 divisors, whose sum is σ = 235092. Its totient is φ = 235090.

The previous prime is 235069. The next prime is 235099. The reversal of 235091 is 190532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235091 - 2¹⁰ = 234067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (235099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117545 + 117546.

It is an arithmetic number, because the mean of its divisors is an integer number (117546).

2²³⁵⁰⁹¹ is an apocalyptic number.

235091 is a deficient number, since it is larger than the sum of its proper divisors (1).

235091 is an equidigital number, since it uses as much as digits as its factorization.

235091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 235091 is about 484.8618359904. The cubic root of 235091 is about 61.7180223116.

The spelling of 235091 in words is "two hundred thirty-five thousand, ninety-one".