673153 has 8 divisors (see below), whose sum is σ = 739368. Its totient is φ = 609024.

The previous prime is 673129. The next prime is 673157. The reversal of 673153 is 351376.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 199809 + 473344 = 447^2 + 688^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 673153 - 2⁵ = 673121 is a prime.

It is a super-2 number, since 2×673153² = 906269922818, 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 (673157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201 + ... + 1177.

It is an arithmetic number, because the mean of its divisors is an integer number (92421).

2⁶⁷³¹⁵³ is an apocalyptic number.

It is an amenable number.

673153 is a deficient number, since it is larger than the sum of its proper divisors (66215).

673153 is a wasteful number, since it uses less digits than its factorization.

673153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

The product of its digits is 1890, while the sum is 25.

The square root of 673153 is about 820.4590178674. The cubic root of 673153 is about 87.6404492693.

The spelling of 673153 in words is "six hundred seventy-three thousand, one hundred fifty-three".