667463 has 2 divisors, whose sum is σ = 667464. Its totient is φ = 667462.

The previous prime is 667441. The next prime is 667477. The reversal of 667463 is 364766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 667463 - 2¹⁰ = 666439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667423) 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, 333731 + 333732.

It is an arithmetic number, because the mean of its divisors is an integer number (333732).

2⁶⁶⁷⁴⁶³ is an apocalyptic number.

667463 is a deficient number, since it is larger than the sum of its proper divisors (1).

667463 is an equidigital number, since it uses as much as digits as its factorization.

667463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 667463 is about 816.9840879723. The cubic root of 667463 is about 87.3928156955.

The spelling of 667463 in words is "six hundred sixty-seven thousand, four hundred sixty-three".