205304675 has 12 divisors (see below), whose sum is σ = 261459456. Its totient is φ = 159804000.

The previous prime is 205304663. The next prime is 205304731. The reversal of 205304675 is 576403502.

It is a de Polignac number, because none of the positive numbers 2^k-205304675 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110051 + ... + 111900.

It is an arithmetic number, because the mean of its divisors is an integer number (21788288).

Almost surely, 2^205304675 is an apocalyptic number.

205304675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

205304675 is a deficient number, since it is larger than the sum of its proper divisors (56154781).

205304675 is a wasteful number, since it uses less digits than its factorization.

205304675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221998 (or 221993 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 205304675 is about 14328.4568254924. The cubic root of 205304675 is about 589.9288193358.

The spelling of 205304675 in words is "two hundred five million, three hundred four thousand, six hundred seventy-five".