670251 has 8 divisors (see below), whose sum is σ = 922624. Its totient is φ = 432360.

The previous prime is 670249. The next prime is 670261. The reversal of 670251 is 152076.

670251 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 not a de Polignac number, because 670251 - 2¹ = 670249 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670251.

It is not an unprimeable number, because it can be changed into a prime (670211) 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, 3511 + ... + 3696.

It is an arithmetic number, because the mean of its divisors is an integer number (115328).

2⁶⁷⁰²⁵¹ is an apocalyptic number.

670251 is a deficient number, since it is larger than the sum of its proper divisors (252373).

670251 is a wasteful number, since it uses less digits than its factorization.

670251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7241.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 670251 is about 818.6885854829. The cubic root of 670251 is about 87.5143269057.

The spelling of 670251 in words is "six hundred seventy thousand, two hundred fifty-one".