450539 has 4 divisors (see below), whose sum is σ = 453024. Its totient is φ = 448056.

The previous prime is 450533. The next prime is 450557. The reversal of 450539 is 935054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935054 = 2 ⋅467527.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947 + ... + 1340.

It is an arithmetic number, because the mean of its divisors is an integer number (113256).

2⁴⁵⁰⁵³⁹ is an apocalyptic number.

450539 is a deficient number, since it is larger than the sum of its proper divisors (2485).

450539 is a wasteful number, since it uses less digits than its factorization.

450539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 450539 is about 671.2220199010. Note that the first 3 decimals coincide. The cubic root of 450539 is about 76.6615266455.

It can be divided in two parts, 450 and 539, that added together give a palindrome (989).

The spelling of 450539 in words is "four hundred fifty thousand, five hundred thirty-nine".