205482243 has 4 divisors (see below), whose sum is σ = 273976328. Its totient is φ = 136988160.

The previous prime is 205482223. The next prime is 205482257. The reversal of 205482243 is 342284502.

205482243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 205482243 - 2²⁶ = 138373379 is a prime.

It is a super-2 number, since 2×205482243² = 84445904376622098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 205482243.

It is not an unprimeable number, because it can be changed into a prime (205482223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34247038 + ... + 34247043.

It is an arithmetic number, because the mean of its divisors is an integer number (68494082).

Almost surely, 2^205482243 is an apocalyptic number.

205482243 is a deficient number, since it is larger than the sum of its proper divisors (68494085).

205482243 is an equidigital number, since it uses as much as digits as its factorization.

205482243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68494084.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 205482243 is about 14334.6518269542. The cubic root of 205482243 is about 590.0988467920.

It can be divided in two parts, 20548 and 2243, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 205482243 in words is "two hundred five million, four hundred eighty-two thousand, two hundred forty-three".