450505211 has 16 divisors (see below), whose sum is σ = 491574720. Its totient is φ = 410382720.

The previous prime is 450505207. The next prime is 450505217. The reversal of 450505211 is 112505054.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 450505211 - 2² = 450505207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450505217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681221 + ... + 681881.

It is an arithmetic number, because the mean of its divisors is an integer number (30723420).

Almost surely, 2^450505211 is an apocalyptic number.

450505211 is a deficient number, since it is larger than the sum of its proper divisors (41069509).

450505211 is a wasteful number, since it uses less digits than its factorization.

450505211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 450505211 is about 21225.1080327050. The cubic root of 450505211 is about 766.5961014028.

The spelling of 450505211 in words is "four hundred fifty million, five hundred five thousand, two hundred eleven".