243013395 has 8 divisors (see below), whose sum is σ = 388821456. Its totient is φ = 129607136.

The previous prime is 243013387. The next prime is 243013399. The reversal of 243013395 is 593310342.

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 243013395 - 2³ = 243013387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243013399) 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, 8100432 + ... + 8100461.

It is an arithmetic number, because the mean of its divisors is an integer number (48602682).

Almost surely, 2^243013395 is an apocalyptic number.

243013395 is a deficient number, since it is larger than the sum of its proper divisors (145808061).

243013395 is a wasteful number, since it uses less digits than its factorization.

243013395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16200901.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 243013395 is about 15588.8869070245. The cubic root of 243013395 is about 624.0366128460.

The spelling of 243013395 in words is "two hundred forty-three million, thirteen thousand, three hundred ninety-five".