243055097 has 8 divisors (see below), whose sum is σ = 251903232. Its totient is φ = 234270000.

The previous prime is 243055079. The next prime is 243055147. The reversal of 243055097 is 790550342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243055097 - 2⁸ = 243054841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243055027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7838 + ... + 23399.

It is an arithmetic number, because the mean of its divisors is an integer number (31487904).

Almost surely, 2^243055097 is an apocalyptic number.

It is an amenable number.

243055097 is a deficient number, since it is larger than the sum of its proper divisors (8848135).

243055097 is a wasteful number, since it uses less digits than its factorization.

243055097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31519.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 243055097 is about 15590.2244050559. The cubic root of 243055097 is about 624.0723064702.

The spelling of 243055097 in words is "two hundred forty-three million, fifty-five thousand, ninety-seven".