235919 has 2 divisors, whose sum is σ = 235920. Its totient is φ = 235918.

The previous prime is 235901. The next prime is 235927. The reversal of 235919 is 919532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235919 - 2⁸ = 235663 is a prime.

It is a super-2 number, since 2×235919² = 111315549122, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 235891 and 235900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235979) 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, 117959 + 117960.

It is an arithmetic number, because the mean of its divisors is an integer number (117960).

2²³⁵⁹¹⁹ is an apocalyptic number.

235919 is a deficient number, since it is larger than the sum of its proper divisors (1).

235919 is an equidigital number, since it uses as much as digits as its factorization.

235919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430, while the sum is 29.

The square root of 235919 is about 485.7149369744. The cubic root of 235919 is about 61.7903952006.

The spelling of 235919 in words is "two hundred thirty-five thousand, nine hundred nineteen".