673825 has 6 divisors (see below), whose sum is σ = 835574. Its totient is φ = 539040.

The previous prime is 673817. The next prime is 673837. The reversal of 673825 is 528376.

It can be written as a sum of positive squares in 3 ways, for example, as 77841 + 595984 = 279^2 + 772^2 .

It is not a de Polignac number, because 673825 - 2³ = 673817 is a prime.

It is a d-powerful number, because it can be written as 6 + 7³ + 8⁶ + 3⁹ + 2¹⁰ + 5⁸ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13452 + ... + 13501.

2⁶⁷³⁸²⁵ is an apocalyptic number.

It is an amenable number.

673825 is a deficient number, since it is larger than the sum of its proper divisors (161749).

673825 is a wasteful number, since it uses less digits than its factorization.

673825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26963 (or 26958 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 673825 is about 820.8684425656. The cubic root of 673825 is about 87.6696030154.

The spelling of 673825 in words is "six hundred seventy-three thousand, eight hundred twenty-five".