243073275 has 24 divisors (see below), whose sum is σ = 403021824. Its totient is φ = 129271200.

The previous prime is 243073267. The next prime is 243073309. The reversal of 243073275 is 572370342.

It is not a de Polignac number, because 243073275 - 2³ = 243073267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23110 + ... + 31940.

It is an arithmetic number, because the mean of its divisors is an integer number (16792576).

Almost surely, 2^243073275 is an apocalyptic number.

243073275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

243073275 is a deficient number, since it is larger than the sum of its proper divisors (159948549).

243073275 is a wasteful number, since it uses less digits than its factorization.

243073275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9211 (or 9206 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 243073275 is about 15590.8073876884. The cubic root of 243073275 is about 624.0878641273.

The spelling of 243073275 in words is "two hundred forty-three million, seventy-three thousand, two hundred seventy-five".