670255 has 8 divisors (see below), whose sum is σ = 826272. Its totient is φ = 521568.

The previous prime is 670249. The next prime is 670261. The reversal of 670255 is 552076.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (670249) and next prime (670261).

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 670255 - 2⁵ = 670223 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1627 + ... + 1996.

It is an arithmetic number, because the mean of its divisors is an integer number (103284).

2⁶⁷⁰²⁵⁵ is an apocalyptic number.

670255 is a deficient number, since it is larger than the sum of its proper divisors (156017).

670255 is a wasteful number, since it uses less digits than its factorization.

670255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 670255 is about 818.6910284106. The cubic root of 670255 is about 87.5145009980.

The spelling of 670255 in words is "six hundred seventy thousand, two hundred fifty-five".