235663 has 2 divisors, whose sum is σ = 235664. Its totient is φ = 235662.

The previous prime is 235661. The next prime is 235673. The reversal of 235663 is 366532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 235663 - 2¹ = 235661 is a prime.

Together with 235661, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2¹⁷ + 3⁸ + 6 + 5⁷ + 6³ + 3⁹ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117831 + 117832.

It is an arithmetic number, because the mean of its divisors is an integer number (117832).

2²³⁵⁶⁶³ is an apocalyptic number.

235663 is a deficient number, since it is larger than the sum of its proper divisors (1).

235663 is an equidigital number, since it uses as much as digits as its factorization.

235663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 25.

The square root of 235663 is about 485.4513363871. The cubic root of 235663 is about 61.7680371508.

It can be divided in two parts, 235 and 663, that added together give a palindrome (898).

The spelling of 235663 in words is "two hundred thirty-five thousand, six hundred sixty-three".