240243713 has 2 divisors, whose sum is σ = 240243714. Its totient is φ = 240243712.

The previous prime is 240243673. The next prime is 240243719. The reversal of 240243713 is 317342042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236175424 + 4068289 = 15368^2 + 2017^2 .

It is a cyclic number.

It is not a de Polignac number, because 240243713 - 2¹² = 240239617 is a prime.

It is equal to p_13174262 and since 240243713 and 13174262 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 (240243719) 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, 120121856 + 120121857.

It is an arithmetic number, because the mean of its divisors is an integer number (120121857).

Almost surely, 2^240243713 is an apocalyptic number.

It is an amenable number.

240243713 is a deficient number, since it is larger than the sum of its proper divisors (1).

240243713 is an equidigital number, since it uses as much as digits as its factorization.

240243713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 240243713 is about 15499.7971922216. The cubic root of 240243713 is about 621.6567836271.

Adding to 240243713 its reverse (317342042), we get a palindrome (557585755).

The spelling of 240243713 in words is "two hundred forty million, two hundred forty-three thousand, seven hundred thirteen".