240489713 has 2 divisors, whose sum is σ = 240489714. Its totient is φ = 240489712.

The previous prime is 240489671. The next prime is 240489719. The reversal of 240489713 is 317984042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226412209 + 14077504 = 15047^2 + 3752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240489713 is a prime.

It is not a weakly prime, because it can be changed into another prime (240489719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120244856 + 120244857.

It is an arithmetic number, because the mean of its divisors is an integer number (120244857).

Almost surely, 2^240489713 is an apocalyptic number.

It is an amenable number.

240489713 is a deficient number, since it is larger than the sum of its proper divisors (1).

240489713 is an equidigital number, since it uses as much as digits as its factorization.

240489713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 240489713 is about 15507.7307495326. The cubic root of 240489713 is about 621.8688951801.

The spelling of 240489713 in words is "two hundred forty million, four hundred eighty-nine thousand, seven hundred thirteen".