238707713 has 2 divisors, whose sum is σ = 238707714. Its totient is φ = 238707712.

The previous prime is 238707709. The next prime is 238707809. The reversal of 238707713 is 317707832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222248464 + 16459249 = 14908^2 + 4057^2 .

It is a cyclic number.

It is not a de Polignac number, because 238707713 - 2² = 238707709 is a prime.

It is a Chen prime.

It is equal to p_13094696 and since 238707713 and 13094696 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (238707113) 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, 119353856 + 119353857.

It is an arithmetic number, because the mean of its divisors is an integer number (119353857).

Almost surely, 2^238707713 is an apocalyptic number.

It is an amenable number.

238707713 is a deficient number, since it is larger than the sum of its proper divisors (1).

238707713 is an equidigital number, since it uses as much as digits as its factorization.

238707713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 238707713 is about 15450.1687045805. The cubic root of 238707713 is about 620.3290942774.

The spelling of 238707713 in words is "two hundred thirty-eight million, seven hundred seven thousand, seven hundred thirteen".