243104253 has 8 divisors (see below), whose sum is σ = 370444608. Its totient is φ = 138916704.

The previous prime is 243104243. The next prime is 243104311. The reversal of 243104253 is 352401342.

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

It is not a de Polignac number, because 243104253 - 2⁴ = 243104237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243104243) 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, 5788176 + ... + 5788217.

It is an arithmetic number, because the mean of its divisors is an integer number (46305576).

Almost surely, 2^243104253 is an apocalyptic number.

It is an amenable number.

243104253 is a deficient number, since it is larger than the sum of its proper divisors (127340355).

243104253 is a wasteful number, since it uses less digits than its factorization.

243104253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11576403.

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

The square root of 243104253 is about 15591.8008260752. The cubic root of 243104253 is about 624.1143748885.

Adding to 243104253 its reverse (352401342), we get a palindrome (595505595).

The spelling of 243104253 in words is "two hundred forty-three million, one hundred four thousand, two hundred fifty-three".