243052955 has 4 divisors (see below), whose sum is σ = 291663552. Its totient is φ = 194442360.

The previous prime is 243052907. The next prime is 243052991. The reversal of 243052955 is 559250342.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 243052955 - 2⁸ = 243052699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24305291 + ... + 24305300.

It is an arithmetic number, because the mean of its divisors is an integer number (72915888).

Almost surely, 2^243052955 is an apocalyptic number.

243052955 is a deficient number, since it is larger than the sum of its proper divisors (48610597).

243052955 is an equidigital number, since it uses as much as digits as its factorization.

243052955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48610596.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 243052955 is about 15590.1557080101. The cubic root of 243052955 is about 624.0704731865.

The spelling of 243052955 in words is "two hundred forty-three million, fifty-two thousand, nine hundred fifty-five".