666325 has 12 divisors (see below), whose sum is σ = 901728. Its totient is φ = 484400.

The previous prime is 666301. The next prime is 666329. The reversal of 666325 is 523666.

666325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 666325 - 2⁹ = 665813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 666293 and 666302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 937 + ... + 1486.

It is an arithmetic number, because the mean of its divisors is an integer number (75144).

2⁶⁶⁶³²⁵ is an apocalyptic number.

It is an amenable number.

666325 is a deficient number, since it is larger than the sum of its proper divisors (235403).

666325 is a wasteful number, since it uses less digits than its factorization.

666325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444 (or 2439 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 666325 is about 816.2873268648. The cubic root of 666325 is about 87.3431202572.

The spelling of 666325 in words is "six hundred sixty-six thousand, three hundred twenty-five".