205414465 has 8 divisors (see below), whose sum is σ = 246692160. Its totient is φ = 164201712.

The previous prime is 205414441. The next prime is 205414501. The reversal of 205414465 is 564414502.

It is a happy number.

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 205414465 - 2¹³ = 205406273 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8979 + ... + 22168.

It is an arithmetic number, because the mean of its divisors is an integer number (30836520).

Almost surely, 2^205414465 is an apocalyptic number.

It is an amenable number.

205414465 is a deficient number, since it is larger than the sum of its proper divisors (41277695).

205414465 is a wasteful number, since it uses less digits than its factorization.

205414465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32471.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 205414465 is about 14332.2875006051. The cubic root of 205414465 is about 590.0339585931.

Adding to 205414465 its reverse (564414502), we get a palindrome (769828967).

The spelling of 205414465 in words is "two hundred five million, four hundred fourteen thousand, four hundred sixty-five".