205485449 has 8 divisors (see below), whose sum is σ = 224595840. Its totient is φ = 186847056.

The previous prime is 205485407. The next prime is 205485487. The reversal of 205485449 is 944584502.

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 205485449 - 2⁸ = 205485193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205485349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117089 + ... + 118830.

It is an arithmetic number, because the mean of its divisors is an integer number (28074480).

Almost surely, 2^205485449 is an apocalyptic number.

It is an amenable number.

205485449 is a deficient number, since it is larger than the sum of its proper divisors (19110391).

205485449 is a wasteful number, since it uses less digits than its factorization.

205485449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235999.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 205485449 is about 14334.7636534405. The cubic root of 205485449 is about 590.1019157467.

The spelling of 205485449 in words is "two hundred five million, four hundred eighty-five thousand, four hundred forty-nine".