235704109 has 2 divisors, whose sum is σ = 235704110. Its totient is φ = 235704108.

The previous prime is 235704043. The next prime is 235704137. The reversal of 235704109 is 901407532.

235704109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122877225 + 112826884 = 11085^2 + 10622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235704109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235704169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117852054 + 117852055.

It is an arithmetic number, because the mean of its divisors is an integer number (117852055).

Almost surely, 2^235704109 is an apocalyptic number.

It is an amenable number.

235704109 is a deficient number, since it is larger than the sum of its proper divisors (1).

235704109 is an equidigital number, since it uses as much as digits as its factorization.

235704109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 235704109 is about 15352.6580434790. The cubic root of 235704109 is about 617.7162854277.

The spelling of 235704109 in words is "two hundred thirty-five million, seven hundred four thousand, one hundred nine".