1630063 has 4 divisors (see below), whose sum is σ = 1633248. Its totient is φ = 1626880.

The previous prime is 1630051. The next prime is 1630091. The reversal of 1630063 is 3600361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1630063 - 2¹³ = 1621871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1630063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631 + ... + 1912.

It is an arithmetic number, because the mean of its divisors is an integer number (408312).

2^1630063 is an apocalyptic number.

1630063 is a deficient number, since it is larger than the sum of its proper divisors (3185).

1630063 is an equidigital number, since it uses as much as digits as its factorization.

1630063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1630063 is about 1276.7392059461. The cubic root of 1630063 is about 117.6887083858.

The spelling of 1630063 in words is "one million, six hundred thirty thousand, sixty-three".