242903593 has 4 divisors (see below), whose sum is σ = 243276228. Its totient is φ = 242530960.

The previous prime is 242903527. The next prime is 242903627. The reversal of 242903593 is 395309242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 128777104 + 114126489 = 11348^2 + 10683^2 .

It is a cyclic number.

It is not a de Polignac number, because 242903593 - 2²¹ = 240806441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242903893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185338 + ... + 186643.

It is an arithmetic number, because the mean of its divisors is an integer number (60819057).

Almost surely, 2^242903593 is an apocalyptic number.

It is an amenable number.

242903593 is a deficient number, since it is larger than the sum of its proper divisors (372635).

242903593 is an equidigital number, since it uses as much as digits as its factorization.

242903593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372634.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 242903593 is about 15585.3647053895. The cubic root of 242903593 is about 623.9426114560.

The spelling of 242903593 in words is "two hundred forty-two million, nine hundred three thousand, five hundred ninety-three".