205307483 has 4 divisors (see below), whose sum is σ = 216113160. Its totient is φ = 194501808.

The previous prime is 205307471. The next prime is 205307519. The reversal of 205307483 is 384703502.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205307483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205307423) 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, 5402810 + ... + 5402847.

It is an arithmetic number, because the mean of its divisors is an integer number (54028290).

Almost surely, 2^205307483 is an apocalyptic number.

205307483 is a deficient number, since it is larger than the sum of its proper divisors (10805677).

205307483 is a wasteful number, since it uses less digits than its factorization.

205307483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10805676.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 205307483 is about 14328.5548119830. The cubic root of 205307483 is about 589.9315088549.

The spelling of 205307483 in words is "two hundred five million, three hundred seven thousand, four hundred eighty-three".