667253 has 8 divisors (see below), whose sum is σ = 708288. Its totient is φ = 627264.

The previous prime is 667243. The next prime is 667273. The reversal of 667253 is 352766.

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 667253 - 2¹⁰ = 666229 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 6⁶ + 2¹⁹ + 7⁵ + 5⁷ + 3⁴ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667243) 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, 1325 + ... + 1757.

It is an arithmetic number, because the mean of its divisors is an integer number (88536).

2⁶⁶⁷²⁵³ is an apocalyptic number.

It is an amenable number.

667253 is a deficient number, since it is larger than the sum of its proper divisors (41035).

667253 is a wasteful number, since it uses less digits than its factorization.

667253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523.

The product of its digits is 7560, while the sum is 29.

The square root of 667253 is about 816.8555563868. The cubic root of 667253 is about 87.3836494365.

The spelling of 667253 in words is "six hundred sixty-seven thousand, two hundred fifty-three".