243113575 has 6 divisors (see below), whose sum is σ = 301460864. Its totient is φ = 194490840.

The previous prime is 243113561. The next prime is 243113581. The reversal of 243113575 is 575311342.

It is a happy number.

It is not a de Polignac number, because 243113575 - 2⁵ = 243113543 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 (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4862247 + ... + 4862296.

Almost surely, 2^243113575 is an apocalyptic number.

243113575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

243113575 is a deficient number, since it is larger than the sum of its proper divisors (58347289).

243113575 is an equidigital number, since it uses as much as digits as its factorization.

243113575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9724553 (or 9724548 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 243113575 is about 15592.0997623797. The cubic root of 243113575 is about 624.1223521517.

The spelling of 243113575 in words is "two hundred forty-three million, one hundred thirteen thousand, five hundred seventy-five".