630145063 has 8 divisors (see below), whose sum is σ = 637026768. Its totient is φ = 623296704.

The previous prime is 630145057. The next prime is 630145079. The reversal of 630145063 is 360541036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 630145063 - 2²¹ = 628047911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630149063) 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 in 7 ways as a sum of consecutive naturals, for example, 30645 + ... + 46897.

It is an arithmetic number, because the mean of its divisors is an integer number (79628346).

Almost surely, 2^630145063 is an apocalyptic number.

630145063 is a deficient number, since it is larger than the sum of its proper divisors (6881705).

630145063 is a wasteful number, since it uses less digits than its factorization.

630145063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16673.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 630145063 is about 25102.6903538246. The cubic root of 630145063 is about 857.3276805264.

Adding to 630145063 its reverse (360541036), we get a palindrome (990686099).

The spelling of 630145063 in words is "six hundred thirty million, one hundred forty-five thousand, sixty-three".