243792041 has 4 divisors (see below), whose sum is σ = 247131732. Its totient is φ = 240452352.

The previous prime is 243792023. The next prime is 243792047. The reversal of 243792041 is 140297342.

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 82882816 + 160909225 = 9104^2 + 12685^2 .

It is a cyclic number.

It is not a de Polignac number, because 243792041 - 2¹⁰ = 243791017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243791989 and 243792007.

It is not an unprimeable number, because it can be changed into a prime (243792047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1669736 + ... + 1669881.

It is an arithmetic number, because the mean of its divisors is an integer number (61782933).

Almost surely, 2^243792041 is an apocalyptic number.

It is an amenable number.

243792041 is a deficient number, since it is larger than the sum of its proper divisors (3339691).

243792041 is an equidigital number, since it uses as much as digits as its factorization.

243792041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339690.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 243792041 is about 15613.8413274889. The cubic root of 243792041 is about 624.7023999706.

The spelling of 243792041 in words is "two hundred forty-three million, seven hundred ninety-two thousand, forty-one".