673231 has 4 divisors (see below), whose sum is σ = 725032. Its totient is φ = 621432.

The previous prime is 673223. The next prime is 673241. The reversal of 673231 is 132376.

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

It is a cyclic number.

It is not a de Polignac number, because 673231 - 2³ = 673223 is a prime.

It is a super-2 number, since 2×673231² = 906479958722, which contains 22 as substring.

It is a Duffinian number.

673231 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673201) 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, 25881 + ... + 25906.

It is an arithmetic number, because the mean of its divisors is an integer number (181258).

2⁶⁷³²³¹ is an apocalyptic number.

673231 is a deficient number, since it is larger than the sum of its proper divisors (51801).

673231 is a wasteful number, since it uses less digits than its factorization.

673231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51800.

The product of its digits is 756, while the sum is 22.

The square root of 673231 is about 820.5065508575. The cubic root of 673231 is about 87.6438341814.

It can be divided in two parts, 6 and 73231, that added together give a palindrome (73237).

The spelling of 673231 in words is "six hundred seventy-three thousand, two hundred thirty-one".