670503 has 8 divisors (see below), whose sum is σ = 911088. Its totient is φ = 438464.

The previous prime is 670493. The next prime is 670507. The reversal of 670503 is 305076.

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 670503 - 2⁴ = 670487 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 670503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670507) 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 7 ways as a sum of consecutive naturals, for example, 1950 + ... + 2267.

It is an arithmetic number, because the mean of its divisors is an integer number (113886).

2⁶⁷⁰⁵⁰³ is an apocalyptic number.

670503 is a deficient number, since it is larger than the sum of its proper divisors (240585).

670503 is a wasteful number, since it uses less digits than its factorization.

670503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 670503 is about 818.8424756936. The cubic root of 670503 is about 87.5252933681.

Adding to 670503 its reverse (305076), we get a palindrome (975579).

The spelling of 670503 in words is "six hundred seventy thousand, five hundred three".