243215041 has 8 divisors (see below), whose sum is σ = 253946880. Its totient is φ = 232496352.

The previous prime is 243215003. The next prime is 243215053. The reversal of 243215041 is 140512342.

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 243215041 - 2¹¹ = 243212993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243215081) 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, 64381 + ... + 68053.

It is an arithmetic number, because the mean of its divisors is an integer number (31743360).

Almost surely, 2^243215041 is an apocalyptic number.

It is an amenable number.

243215041 is a deficient number, since it is larger than the sum of its proper divisors (10731839).

243215041 is a wasteful number, since it uses less digits than its factorization.

243215041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6575.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 243215041 is about 15595.3531861257. The cubic root of 243215041 is about 624.2091680779.

Adding to 243215041 its reverse (140512342), we get a palindrome (383727383).

The spelling of 243215041 in words is "two hundred forty-three million, two hundred fifteen thousand, forty-one".