670303 has 2 divisors, whose sum is σ = 670304. Its totient is φ = 670302.

The previous prime is 670297. The next prime is 670321. The reversal of 670303 is 303076.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670303 - 2⁹ = 669791 is a prime.

It is a super-2 number, since 2×670303² = 898612223618, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

670303 is a modest number, since divided by 303 gives 67 as remainder.

670303 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335151 + 335152.

It is an arithmetic number, because the mean of its divisors is an integer number (335152).

2⁶⁷⁰³⁰³ is an apocalyptic number.

670303 is a deficient number, since it is larger than the sum of its proper divisors (1).

670303 is an equidigital number, since it uses as much as digits as its factorization.

670303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 670303 is about 818.7203429743. The cubic root of 670303 is about 87.5165900516.

Adding to 670303 its reverse (303076), we get a palindrome (973379).

The spelling of 670303 in words is "six hundred seventy thousand, three hundred three".