243792053 has 4 divisors (see below), whose sum is σ = 258132780. Its totient is φ = 229451328.

The previous prime is 243792047. The next prime is 243792079. The reversal of 243792053 is 350297342.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143832049 + 99960004 = 11993^2 + 9998^2 .

It is a cyclic number.

It is not a de Polignac number, because 243792053 - 2¹⁶ = 243726517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243792023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7170338 + ... + 7170371.

It is an arithmetic number, because the mean of its divisors is an integer number (64533195).

Almost surely, 2^243792053 is an apocalyptic number.

It is an amenable number.

243792053 is a deficient number, since it is larger than the sum of its proper divisors (14340727).

243792053 is a wasteful number, since it uses less digits than its factorization.

243792053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14340726.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 243792053 is about 15613.8417117633. The cubic root of 243792053 is about 624.7024102203.

The spelling of 243792053 in words is "two hundred forty-three million, seven hundred ninety-two thousand, fifty-three".