673525 has 12 divisors (see below), whose sum is σ = 864900. Its totient is φ = 519680.

The previous prime is 673513. The next prime is 673529. The reversal of 673525 is 525376.

It can be written as a sum of positive squares in 6 ways, for example, as 128881 + 544644 = 359^2 + 738^2 .

It is not a de Polignac number, because 673525 - 2⁷ = 673397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673493 and 673502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673529) 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 11 ways as a sum of consecutive naturals, for example, 261 + ... + 1189.

It is an arithmetic number, because the mean of its divisors is an integer number (72075).

2⁶⁷³⁵²⁵ is an apocalyptic number.

It is an amenable number.

673525 is a deficient number, since it is larger than the sum of its proper divisors (191375).

673525 is a wasteful number, since it uses less digits than its factorization.

673525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 963 counting only the distinct ones).

The product of its digits is 6300, while the sum is 28.

The square root of 673525 is about 820.6856889212. The cubic root of 673525 is about 87.6565903464.

The spelling of 673525 in words is "six hundred seventy-three thousand, five hundred twenty-five".