243850057 has 16 divisors (see below), whose sum is σ = 284477184. Its totient is φ = 206560000.

The previous prime is 243850049. The next prime is 243850073. The reversal of 243850057 is 750058342.

It is a happy number.

243850057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 243850057 - 2³ = 243850049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243850037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12432 + ... + 25342.

It is an arithmetic number, because the mean of its divisors is an integer number (17779824).

Almost surely, 2^243850057 is an apocalyptic number.

It is an amenable number.

243850057 is a deficient number, since it is larger than the sum of its proper divisors (40627127).

243850057 is a wasteful number, since it uses less digits than its factorization.

243850057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13040.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 243850057 is about 15615.6990557580. The cubic root of 243850057 is about 624.7519502071.

The spelling of 243850057 in words is "two hundred forty-three million, eight hundred fifty thousand, fifty-seven".