450173 has 4 divisors (see below), whose sum is σ = 456960. Its totient is φ = 443388.

The previous prime is 450169. The next prime is 450193. The reversal of 450173 is 371054.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 371054 = 2 ⋅185527.

It is a cyclic number.

It is not a de Polignac number, because 450173 - 2² = 450169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450103) 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, 3293 + ... + 3426.

It is an arithmetic number, because the mean of its divisors is an integer number (114240).

2⁴⁵⁰¹⁷³ is an apocalyptic number.

It is an amenable number.

450173 is a deficient number, since it is larger than the sum of its proper divisors (6787).

450173 is an equidigital number, since it uses as much as digits as its factorization.

450173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 450173 is about 670.9493274458. The cubic root of 450173 is about 76.6407620947.

The spelling of 450173 in words is "four hundred fifty thousand, one hundred seventy-three".