243382775 has 6 divisors (see below), whose sum is σ = 301794672. Its totient is φ = 194706200.

The previous prime is 243382751. The next prime is 243382787. The reversal of 243382775 is 577283342.

It is not a de Polignac number, because 243382775 - 2¹² = 243378679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4867631 + ... + 4867680.

It is an arithmetic number, because the mean of its divisors is an integer number (50299112).

Almost surely, 2^243382775 is an apocalyptic number.

243382775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

243382775 is a deficient number, since it is larger than the sum of its proper divisors (58411897).

243382775 is an equidigital number, since it uses as much as digits as its factorization.

243382775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9735321 (or 9735316 counting only the distinct ones).

The product of its digits is 282240, while the sum is 41.

The square root of 243382775 is about 15600.7299508709. The cubic root of 243382775 is about 624.3526310263.

The spelling of 243382775 in words is "two hundred forty-three million, three hundred eighty-two thousand, seven hundred seventy-five".