243245013 has 8 divisors (see below), whose sum is σ = 353810976. Its totient is φ = 147421200.

The previous prime is 243244999. The next prime is 243245017. The reversal of 243245013 is 310542342.

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

It is not a de Polignac number, because 243245013 - 2⁴ = 243244997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243245017) 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, 3685498 + ... + 3685563.

It is an arithmetic number, because the mean of its divisors is an integer number (44226372).

Almost surely, 2^243245013 is an apocalyptic number.

It is an amenable number.

243245013 is a deficient number, since it is larger than the sum of its proper divisors (110565963).

243245013 is a wasteful number, since it uses less digits than its factorization.

243245013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7371075.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 243245013 is about 15596.3140837827. The cubic root of 243245013 is about 624.2348079789.

Adding to 243245013 its reverse (310542342), we get a palindrome (553787355).

The spelling of 243245013 in words is "two hundred forty-three million, two hundred forty-five thousand, thirteen".