235489 has 2 divisors, whose sum is σ = 235490. Its totient is φ = 235488.

The previous prime is 235483. The next prime is 235493. The reversal of 235489 is 984532.

235489 is nontrivially palindromic in base 15.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140625 + 94864 = 375^2 + 308^2 .

It is a cyclic number.

It is not a de Polignac number, because 235489 - 2⁹ = 234977 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2 + 3¹⁰ + 4⁸ + 5⁷ + 8⁵ + 9 .

It is a self number, because there is not a number n which added to its sum of digits gives 235489.

It is not a weakly prime, because it can be changed into another prime (235483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117744 + 117745.

It is an arithmetic number, because the mean of its divisors is an integer number (117745).

2²³⁵⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

235489 is a deficient number, since it is larger than the sum of its proper divisors (1).

235489 is an equidigital number, since it uses as much as digits as its factorization.

235489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 235489 is about 485.2720886266. The cubic root of 235489 is about 61.7528314196.

The spelling of 235489 in words is "two hundred thirty-five thousand, four hundred eighty-nine".