235132091 has 2 divisors, whose sum is σ = 235132092. Its totient is φ = 235132090.

The previous prime is 235132081. The next prime is 235132097. The reversal of 235132091 is 190231532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235132091 - 2¹⁰ = 235131067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235132091.

It is not a weakly prime, because it can be changed into another prime (235132097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117566045 + 117566046.

It is an arithmetic number, because the mean of its divisors is an integer number (117566046).

Almost surely, 2^235132091 is an apocalyptic number.

235132091 is a deficient number, since it is larger than the sum of its proper divisors (1).

235132091 is an equidigital number, since it uses as much as digits as its factorization.

235132091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 235132091 is about 15334.0174448838. The cubic root of 235132091 is about 617.2161795114.

The spelling of 235132091 in words is "two hundred thirty-five million, one hundred thirty-two thousand, ninety-one".