450512 has 20 divisors (see below), whose sum is σ = 897636. Its totient is φ = 218880.

The previous prime is 450503. The next prime is 450529. The reversal of 450512 is 215054.

It can be written as a sum of positive squares in 2 ways, for example, as 163216 + 287296 = 404^2 + 536^2 .

It is a super-2 number, since 2×450512² = 405922124288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

450512 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212 + ... + 972.

2⁴⁵⁰⁵¹² is an apocalyptic number.

It is an amenable number.

450512 is a deficient number, since it is larger than the sum of its proper divisors (447124).

450512 is a wasteful number, since it uses less digits than its factorization.

450512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 450512 is about 671.2019070295. The cubic root of 450512 is about 76.6599952187.

Adding to 450512 its reverse (215054), we get a palindrome (665566).

It can be divided in two parts, 450 and 512, that multiplied together give a square (230400 = 480²).

The spelling of 450512 in words is "four hundred fifty thousand, five hundred twelve".