205381463 has 8 divisors (see below), whose sum is σ = 235228032. Its totient is φ = 175661496.

The previous prime is 205381433. The next prime is 205381481. The reversal of 205381463 is 364183502.

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 205381463 - 2¹⁴ = 205365079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205381433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28145 + ... + 34682.

It is an arithmetic number, because the mean of its divisors is an integer number (29403504).

Almost surely, 2^205381463 is an apocalyptic number.

205381463 is a deficient number, since it is larger than the sum of its proper divisors (29846569).

205381463 is an equidigital number, since it uses as much as digits as its factorization.

205381463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63301.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 205381463 is about 14331.1361377945. The cubic root of 205381463 is about 590.0023585082.

The spelling of 205381463 in words is "two hundred five million, three hundred eighty-one thousand, four hundred sixty-three".