450271605 has 32 divisors (see below), whose sum is σ = 871789824. Its totient is φ = 193729536.

The previous prime is 450271573. The next prime is 450271631. The reversal of 450271605 is 506172054.

It is not a de Polignac number, because 450271605 - 2⁵ = 450271573 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 124342 + ... + 127911.

It is an arithmetic number, because the mean of its divisors is an integer number (27243432).

Almost surely, 2^450271605 is an apocalyptic number.

It is an amenable number.

450271605 is a deficient number, since it is larger than the sum of its proper divisors (421518219).

450271605 is a wasteful number, since it uses less digits than its factorization.

450271605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252285.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 450271605 is about 21219.6042611544. The cubic root of 450271605 is about 766.4635743293.

The spelling of 450271605 in words is "four hundred fifty million, two hundred seventy-one thousand, six hundred five".