240907613 has 2 divisors, whose sum is σ = 240907614. Its totient is φ = 240907612.

The previous prime is 240907607. The next prime is 240907621. The reversal of 240907613 is 316709042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207302404 + 33605209 = 14398^2 + 5797^2 .

It is a cyclic number.

It is not a de Polignac number, because 240907613 - 2¹² = 240903517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240907613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240907633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120453806 + 120453807.

It is an arithmetic number, because the mean of its divisors is an integer number (120453807).

Almost surely, 2^240907613 is an apocalyptic number.

It is an amenable number.

240907613 is a deficient number, since it is larger than the sum of its proper divisors (1).

240907613 is an equidigital number, since it uses as much as digits as its factorization.

240907613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 240907613 is about 15521.1988261216. The cubic root of 240907613 is about 622.2288948134.

The spelling of 240907613 in words is "two hundred forty million, nine hundred seven thousand, six hundred thirteen".