670313 has 8 divisors (see below), whose sum is σ = 791040. Its totient is φ = 555840.

The previous prime is 670303. The next prime is 670321. The reversal of 670313 is 313076.

670313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 670313 - 2⁴ = 670297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670313.

It is not an unprimeable number, because it can be changed into a prime (670303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1328 + ... + 1761.

It is an arithmetic number, because the mean of its divisors is an integer number (98880).

2⁶⁷⁰³¹³ is an apocalyptic number.

It is an amenable number.

670313 is a deficient number, since it is larger than the sum of its proper divisors (120727).

670313 is a wasteful number, since it uses less digits than its factorization.

670313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 670313 is about 818.7264500430. The cubic root of 670313 is about 87.5170252585.

Adding to 670313 its reverse (313076), we get a palindrome (983389).

The spelling of 670313 in words is "six hundred seventy thousand, three hundred thirteen".