630315803 has 8 divisors (see below), whose sum is σ = 691609968. Its totient is φ = 570851424.

The previous prime is 630315793. The next prime is 630315809. The reversal of 630315803 is 308513036.

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

It is not a de Polignac number, because 630315803 - 2⁸ = 630315547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630315809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456725 + ... + 458102.

It is an arithmetic number, because the mean of its divisors is an integer number (86451246).

Almost surely, 2^630315803 is an apocalyptic number.

630315803 is a deficient number, since it is larger than the sum of its proper divisors (61294165).

630315803 is a wasteful number, since it uses less digits than its factorization.

630315803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914893.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 630315803 is about 25106.0909541888. The cubic root of 630315803 is about 857.4051055079.

Adding to 630315803 its reverse (308513036), we get a palindrome (938828839).

The spelling of 630315803 in words is "six hundred thirty million, three hundred fifteen thousand, eight hundred three".