234865913 has 2 divisors, whose sum is σ = 234865914. Its totient is φ = 234865912.

The previous prime is 234865907. The next prime is 234865993. The reversal of 234865913 is 319568432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215267584 + 19598329 = 14672^2 + 4427^2 .

It is a cyclic number.

It is not a de Polignac number, because 234865913 - 2⁶ = 234865849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (234865993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117432956 + 117432957.

It is an arithmetic number, because the mean of its divisors is an integer number (117432957).

Almost surely, 2^234865913 is an apocalyptic number.

It is an amenable number.

234865913 is a deficient number, since it is larger than the sum of its proper divisors (1).

234865913 is an equidigital number, since it uses as much as digits as its factorization.

234865913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 234865913 is about 15325.3356570093. The cubic root of 234865913 is about 616.9831879188.

The spelling of 234865913 in words is "two hundred thirty-four million, eight hundred sixty-five thousand, nine hundred thirteen".