670151 has 4 divisors (see below), whose sum is σ = 699312. Its totient is φ = 640992.

The previous prime is 670147. The next prime is 670177. The reversal of 670151 is 151076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670151 - 2² = 670147 is a prime.

It is a Duffinian 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 670151.

It is not an unprimeable number, because it can be changed into a prime (670051) 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 3 ways as a sum of consecutive naturals, for example, 14546 + ... + 14591.

It is an arithmetic number, because the mean of its divisors is an integer number (174828).

2⁶⁷⁰¹⁵¹ is an apocalyptic number.

670151 is a deficient number, since it is larger than the sum of its proper divisors (29161).

670151 is a wasteful number, since it uses less digits than its factorization.

670151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29160.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 670151 is about 818.6275099213. The cubic root of 670151 is about 87.5099743732.

The spelling of 670151 in words is "six hundred seventy thousand, one hundred fifty-one".