450550247 has 6 divisors (see below), whose sum is σ = 524109528. Its totient is φ = 386185884.

The previous prime is 450550231. The next prime is 450550267. The reversal of 450550247 is 742055054.

It is not a de Polignac number, because 450550247 - 2⁴ = 450550231 is a prime.

It is a super-2 number, since 2×450550247² = 405991050143522018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450550207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4597403 + ... + 4597500.

It is an arithmetic number, because the mean of its divisors is an integer number (87351588).

Almost surely, 2^450550247 is an apocalyptic number.

450550247 is a deficient number, since it is larger than the sum of its proper divisors (73559281).

450550247 is an equidigital number, since it uses as much as digits as its factorization.

450550247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9194917 (or 9194910 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 450550247 is about 21226.1689195201. The cubic root of 450550247 is about 766.6216455184.

The spelling of 450550247 in words is "four hundred fifty million, five hundred fifty thousand, two hundred forty-seven".