663463 has 2 divisors, whose sum is σ = 663464. Its totient is φ = 663462.

The previous prime is 663437. The next prime is 663517. The reversal of 663463 is 364366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 663463 - 2⁹ = 662951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331731 + 331732.

It is an arithmetic number, because the mean of its divisors is an integer number (331732).

2⁶⁶³⁴⁶³ is an apocalyptic number.

663463 is a deficient number, since it is larger than the sum of its proper divisors (1).

663463 is an equidigital number, since it uses as much as digits as its factorization.

663463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 28.

The square root of 663463 is about 814.5323811857. The cubic root of 663463 is about 87.2178886931.

The spelling of 663463 in words is "six hundred sixty-three thousand, four hundred sixty-three".