235901 has 2 divisors, whose sum is σ = 235902. Its totient is φ = 235900.

The previous prime is 235891. The next prime is 235919. The reversal of 235901 is 109532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235225 + 676 = 485^2 + 26^2 .

It is a cyclic number.

It is not a de Polignac number, because 235901 - 2¹⁴ = 219517 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117950 + 117951.

It is an arithmetic number, because the mean of its divisors is an integer number (117951).

2²³⁵⁹⁰¹ is an apocalyptic number.

It is an amenable number.

235901 is a deficient number, since it is larger than the sum of its proper divisors (1).

235901 is an equidigital number, since it uses as much as digits as its factorization.

235901 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 235901 is about 485.6964072340. The cubic root of 235901 is about 61.7888236790.

The spelling of 235901 in words is "two hundred thirty-five thousand, nine hundred one".