450313 has 4 divisors (see below), whose sum is σ = 476820. Its totient is φ = 423808.

The previous prime is 450311. The next prime is 450343. The reversal of 450313 is 313054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 227529 + 222784 = 477^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 450313 - 2¹ = 450311 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13228 + ... + 13261.

It is an arithmetic number, because the mean of its divisors is an integer number (119205).

2⁴⁵⁰³¹³ is an apocalyptic number.

It is an amenable number.

450313 is a deficient number, since it is larger than the sum of its proper divisors (26507).

450313 is a wasteful number, since it uses less digits than its factorization.

450313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26506.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 450313 is about 671.0536491220. The cubic root of 450313 is about 76.6487061477.

Adding to 450313 its reverse (313054), we get a palindrome (763367).

The spelling of 450313 in words is "four hundred fifty thousand, three hundred thirteen".