450247 has 8 divisors (see below), whose sum is σ = 519552. Its totient is φ = 382200.

The previous prime is 450239. The next prime is 450257. The reversal of 450247 is 742054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 450247 - 2³ = 450239 is a prime.

It is a super-2 number, since 2×450247² = 405444722018, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672 + ... + 1162.

It is an arithmetic number, because the mean of its divisors is an integer number (64944).

2⁴⁵⁰²⁴⁷ is an apocalyptic number.

450247 is a deficient number, since it is larger than the sum of its proper divisors (69305).

450247 is a wasteful number, since it uses less digits than its factorization.

450247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 450247 is about 671.0044709240. The cubic root of 450247 is about 76.6449612993.

The spelling of 450247 in words is "four hundred fifty thousand, two hundred forty-seven".