243792061 has 4 divisors (see below), whose sum is σ = 247225824. Its totient is φ = 240358300.

The previous prime is 243792047. The next prime is 243792079. The reversal of 243792061 is 160297342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243792061 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 (243792011) 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, 1716775 + ... + 1716916.

It is an arithmetic number, because the mean of its divisors is an integer number (61806456).

Almost surely, 2^243792061 is an apocalyptic number.

It is an amenable number.

243792061 is a deficient number, since it is larger than the sum of its proper divisors (3433763).

243792061 is an equidigital number, since it uses as much as digits as its factorization.

243792061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433762.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 243792061 is about 15613.8419679463. The cubic root of 243792061 is about 624.7024170535.

The spelling of 243792061 in words is "two hundred forty-three million, seven hundred ninety-two thousand, sixty-one".