240313393 has 2 divisors, whose sum is σ = 240313394. Its totient is φ = 240313392.

The previous prime is 240313379. The next prime is 240313399. The reversal of 240313393 is 393313042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228251664 + 12061729 = 15108^2 + 3473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240313393 is a prime.

It is not a weakly prime, because it can be changed into another prime (240313399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120156696 + 120156697.

It is an arithmetic number, because the mean of its divisors is an integer number (120156697).

Almost surely, 2^240313393 is an apocalyptic number.

It is an amenable number.

240313393 is a deficient number, since it is larger than the sum of its proper divisors (1).

240313393 is an equidigital number, since it uses as much as digits as its factorization.

240313393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 240313393 is about 15502.0448006061. The cubic root of 240313393 is about 621.7168793481.

The spelling of 240313393 in words is "two hundred forty million, three hundred thirteen thousand, three hundred ninety-three".