243541371 has 8 divisors (see below), whose sum is σ = 343823184. Its totient is φ = 152810240.

The previous prime is 243541351. The next prime is 243541381. The reversal of 243541371 is 173145342.

It is a happy number.

243541371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243541371 - 2¹⁹ = 243017083 is a prime.

It is a super-3 number, since 3×243541371³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (243541351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2387610 + ... + 2387711.

It is an arithmetic number, because the mean of its divisors is an integer number (42977898).

Almost surely, 2^243541371 is an apocalyptic number.

243541371 is a deficient number, since it is larger than the sum of its proper divisors (100281813).

243541371 is a wasteful number, since it uses less digits than its factorization.

243541371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775341.

The product of its digits is 10080, while the sum is 30.

The square root of 243541371 is about 15605.8120903720. The cubic root of 243541371 is about 624.4882176271.

The spelling of 243541371 in words is "two hundred forty-three million, five hundred forty-one thousand, three hundred seventy-one".