667363 has 2 divisors, whose sum is σ = 667364. Its totient is φ = 667362.

The previous prime is 667361. The next prime is 667367. The reversal of 667363 is 363766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667363 - 2¹ = 667361 is a prime.

Together with 667361, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (667361) 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 as a sum of consecutive naturals, namely, 333681 + 333682.

It is an arithmetic number, because the mean of its divisors is an integer number (333682).

2⁶⁶⁷³⁶³ is an apocalyptic number.

667363 is a deficient number, since it is larger than the sum of its proper divisors (1).

667363 is an equidigital number, since it uses as much as digits as its factorization.

667363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 31.

The square root of 667363 is about 816.9228849775. The cubic root of 667363 is about 87.3884510501.

The spelling of 667363 in words is "six hundred sixty-seven thousand, three hundred sixty-three".