210000239 has 2 divisors, whose sum is σ = 210000240. Its totient is φ = 210000238.

The previous prime is 210000199. The next prime is 210000299. The reversal of 210000239 is 932000012.

210000239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210000239 is a prime.

It is a Chen prime.

210000239 is a modest number, since divided by 239 gives 21 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210000299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105000119 + 105000120.

It is an arithmetic number, because the mean of its divisors is an integer number (105000120).

Almost surely, 2^210000239 is an apocalyptic number.

210000239 is a deficient number, since it is larger than the sum of its proper divisors (1).

210000239 is an equidigital number, since it uses as much as digits as its factorization.

210000239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 210000239 is about 14491.3849924705. The cubic root of 210000239 is about 594.3924207679.

The spelling of 210000239 in words is "two hundred ten million, two hundred thirty-nine", and thus it is an aban number.