243054297 has 8 divisors (see below), whose sum is σ = 360080480. Its totient is φ = 162036180.

The previous prime is 243054277. The next prime is 243054311. The reversal of 243054297 is 792450342.

243054297 is a `hidden beast` number, since 24 + 3 + 0 + 542 + 97 = 666.

It is not a de Polignac number, because 243054297 - 2⁶ = 243054233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243054257) 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, 4500979 + ... + 4501032.

It is an arithmetic number, because the mean of its divisors is an integer number (45010060).

Almost surely, 2^243054297 is an apocalyptic number.

243054297 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

243054297 is a deficient number, since it is larger than the sum of its proper divisors (117026183).

243054297 is an equidigital number, since it uses as much as digits as its factorization.

243054297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9002020 (or 9002014 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 243054297 is about 15590.1987479313. The cubic root of 243054297 is about 624.0716217717.

The spelling of 243054297 in words is "two hundred forty-three million, fifty-four thousand, two hundred ninety-seven".