205612473 has 8 divisors (see below), whose sum is σ = 299072736. Its totient is φ = 124613600.

The previous prime is 205612453. The next prime is 205612483. The reversal of 205612473 is 374216502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205612473 - 2¹⁶ = 205546937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 205612473.

It is not an unprimeable number, because it can be changed into a prime (205612453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3115308 + ... + 3115373.

It is an arithmetic number, because the mean of its divisors is an integer number (37384092).

Almost surely, 2^205612473 is an apocalyptic number.

It is an amenable number.

205612473 is a deficient number, since it is larger than the sum of its proper divisors (93460263).

205612473 is a wasteful number, since it uses less digits than its factorization.

205612473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6230695.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 205612473 is about 14339.1935965730. The cubic root of 205612473 is about 590.2234842343.

Adding to 205612473 its reverse (374216502), we get a palindrome (579828975).

The spelling of 205612473 in words is "two hundred five million, six hundred twelve thousand, four hundred seventy-three".