235606109 has 2 divisors, whose sum is σ = 235606110. Its totient is φ = 235606108.

The previous prime is 235606097. The next prime is 235606117. The reversal of 235606109 is 901606532.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212518084 + 23088025 = 14578^2 + 4805^2 .

It is a cyclic number.

It is not a de Polignac number, because 235606109 - 2⁴ = 235606093 is a prime.

It is equal to p_12933590 and since 235606109 and 12933590 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235606139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117803054 + 117803055.

It is an arithmetic number, because the mean of its divisors is an integer number (117803055).

Almost surely, 2^235606109 is an apocalyptic number.

It is an amenable number.

235606109 is a deficient number, since it is larger than the sum of its proper divisors (1).

235606109 is an equidigital number, since it uses as much as digits as its factorization.

235606109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 235606109 is about 15349.4660819196. The cubic root of 235606109 is about 617.6306631221.

The spelling of 235606109 in words is "two hundred thirty-five million, six hundred six thousand, one hundred nine".