243063297 has 36 divisors (see below), whose sum is σ = 385208460. Its totient is φ = 147173376.

The previous prime is 243063283. The next prime is 243063307. The reversal of 243063297 is 792360342.

It is a happy number.

243063297 is a `hidden beast` number, since 24 + 306 + 329 + 7 = 666.

243063297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 6395841 + 236667456 = 2529^2 + 15384^2 .

It is not a de Polignac number, because 243063297 - 2⁷ = 243063169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243063217) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 127729 + ... + 129617.

It is an arithmetic number, because the mean of its divisors is an integer number (10700235).

Almost surely, 2^243063297 is an apocalyptic number.

It is an amenable number.

243063297 is a deficient number, since it is larger than the sum of its proper divisors (142145163).

243063297 is a wasteful number, since it uses less digits than its factorization.

243063297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970 (or 1938 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 243063297 is about 15590.4873881479. The cubic root of 243063297 is about 624.0793245433.

The spelling of 243063297 in words is "two hundred forty-three million, sixty-three thousand, two hundred ninety-seven".