204775343 has 4 divisors (see below), whose sum is σ = 205421640. Its totient is φ = 204129048.

The previous prime is 204775339. The next prime is 204775349. The reversal of 204775343 is 343577402.

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

It is a cyclic number.

It is not a de Polignac number, because 204775343 - 2² = 204775339 is a prime.

It is a super-2 number, since 2×204775343² = 83865882201535298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204775349) by changing a digit.

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, 322673 + ... + 323306.

It is an arithmetic number, because the mean of its divisors is an integer number (51355410).

Almost surely, 2^204775343 is an apocalyptic number.

204775343 is a deficient number, since it is larger than the sum of its proper divisors (646297).

204775343 is an equidigital number, since it uses as much as digits as its factorization.

204775343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646296.

The product of its (nonzero) digits is 70560, while the sum is 35.

The square root of 204775343 is about 14309.9735499406. The cubic root of 204775343 is about 589.4213833214.

The spelling of 204775343 in words is "two hundred four million, seven hundred seventy-five thousand, three hundred forty-three".