243932275 has 6 divisors (see below), whose sum is σ = 302476052. Its totient is φ = 195145800.

The previous prime is 243932267. The next prime is 243932281. The reversal of 243932275 is 572239342.

243932275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243932275 - 2³ = 243932267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4878621 + ... + 4878670.

Almost surely, 2^243932275 is an apocalyptic number.

243932275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

243932275 is a deficient number, since it is larger than the sum of its proper divisors (58543777).

243932275 is an equidigital number, since it uses as much as digits as its factorization.

243932275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9757301 (or 9757296 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 243932275 is about 15618.3313769429. The cubic root of 243932275 is about 624.8221574000.

The spelling of 243932275 in words is "two hundred forty-three million, nine hundred thirty-two thousand, two hundred seventy-five".