243675213 has 8 divisors (see below), whose sum is σ = 331813248. Its totient is φ = 158993664.

The previous prime is 243675167. The next prime is 243675217. The reversal of 243675213 is 312576342.

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

It is not a de Polignac number, because 243675213 - 2⁶ = 243675149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243675217) 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, 863956 + ... + 864237.

It is an arithmetic number, because the mean of its divisors is an integer number (41476656).

Almost surely, 2^243675213 is an apocalyptic number.

It is an amenable number.

243675213 is a deficient number, since it is larger than the sum of its proper divisors (88138035).

243675213 is a wasteful number, since it uses less digits than its factorization.

243675213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728243.

The product of its digits is 30240, while the sum is 33.

The square root of 243675213 is about 15610.0997114048. The cubic root of 243675213 is about 624.6025957921.

The spelling of 243675213 in words is "two hundred forty-three million, six hundred seventy-five thousand, two hundred thirteen".