240241513 has 2 divisors, whose sum is σ = 240241514. Its totient is φ = 240241512.

The previous prime is 240241511. The next prime is 240241517. The reversal of 240241513 is 315142042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172475689 + 67765824 = 13133^2 + 8232^2 .

It is a cyclic number.

It is not a de Polignac number, because 240241513 - 2¹ = 240241511 is a prime.

Together with 240241511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (240241511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120120756 + 120120757.

It is an arithmetic number, because the mean of its divisors is an integer number (120120757).

Almost surely, 2^240241513 is an apocalyptic number.

It is an amenable number.

240241513 is a deficient number, since it is larger than the sum of its proper divisors (1).

240241513 is an equidigital number, since it uses as much as digits as its factorization.

240241513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 240241513 is about 15499.7262233886. The cubic root of 240241513 is about 621.6548860414.

Adding to 240241513 its reverse (315142042), we get a palindrome (555383555).

The spelling of 240241513 in words is "two hundred forty million, two hundred forty-one thousand, five hundred thirteen".