240643713 has 16 divisors (see below), whose sum is σ = 333250560. Its totient is φ = 154349136.

The previous prime is 240643703. The next prime is 240643723. The reversal of 240643713 is 317346042.

It is an interprime number because it is at equal distance from previous prime (240643703) and next prime (240643723).

It is not a de Polignac number, because 240643713 - 2¹⁸ = 240381569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240643703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6145 + ... + 22782.

It is an arithmetic number, because the mean of its divisors is an integer number (20828160).

Almost surely, 2^240643713 is an apocalyptic number.

It is an amenable number.

240643713 is a deficient number, since it is larger than the sum of its proper divisors (92606847).

240643713 is a wasteful number, since it uses less digits than its factorization.

240643713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29036.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 240643713 is about 15512.6952203671. The cubic root of 240643713 is about 622.0016068513.

Adding to 240643713 its reverse (317346042), we get a palindrome (557989755).

The spelling of 240643713 in words is "two hundred forty million, six hundred forty-three thousand, seven hundred thirteen".