240593 has 4 divisors (see below), whose sum is σ = 245760. Its totient is φ = 235428.

The previous prime is 240589. The next prime is 240599. The reversal of 240593 is 395042.

240593 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 395042 = 2 ⋅197521.

It is a cyclic number.

It is not a de Polignac number, because 240593 - 2² = 240589 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513 + ... + 2606.

It is an arithmetic number, because the mean of its divisors is an integer number (61440).

2²⁴⁰⁵⁹³ is an apocalyptic number.

It is an amenable number.

240593 is a deficient number, since it is larger than the sum of its proper divisors (5167).

240593 is an equidigital number, since it uses as much as digits as its factorization.

240593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 240593 is about 490.5028032540. The cubic root of 240593 is about 62.1957910463.

Subtracting 240593 from its reverse (395042), we obtain a square (154449 = 393²).

The spelling of 240593 in words is "two hundred forty thousand, five hundred ninety-three".