450505317 has 8 divisors (see below), whose sum is σ = 600801696. Its totient is φ = 300272912.

The previous prime is 450505309. The next prime is 450505331. The reversal of 450505317 is 713505054.

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 450505317 - 2³ = 450505309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450505337) 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, 4018 + ... + 30284.

It is an arithmetic number, because the mean of its divisors is an integer number (75100212).

Almost surely, 2^450505317 is an apocalyptic number.

It is an amenable number.

450505317 is a deficient number, since it is larger than the sum of its proper divisors (150296379).

450505317 is a wasteful number, since it uses less digits than its factorization.

450505317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31987.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 450505317 is about 21225.1105297475. The cubic root of 450505317 is about 766.5961615272.

The spelling of 450505317 in words is "four hundred fifty million, five hundred five thousand, three hundred seventeen".