1630463 has 2 divisors, whose sum is σ = 1630464. Its totient is φ = 1630462.

The previous prime is 1630459. The next prime is 1630471. The reversal of 1630463 is 3640361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1630463 - 2² = 1630459 is a prime.

It is a d-powerful number, because it can be written as 1 + 6² + 3⁹ + 0 + 4⁷ + 6² + 3¹³ .

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1630403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815231 + 815232.

It is an arithmetic number, because the mean of its divisors is an integer number (815232).

2^1630463 is an apocalyptic number.

1630463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630463 is an equidigital number, since it uses as much as digits as its factorization.

1630463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1630463 is about 1276.8958454001. The cubic root of 1630463 is about 117.6983341146.

The spelling of 1630463 in words is "one million, six hundred thirty thousand, four hundred sixty-three".