630195303 has 8 divisors (see below), whose sum is σ = 848418688. Its totient is φ = 416051064.

The previous prime is 630195301. The next prime is 630195337. The reversal of 630195303 is 303591036.

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

It is not a de Polignac number, because 630195303 - 2¹ = 630195301 is a prime.

It is a super-2 number, since 2×630195303² = 794292239846523618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630195301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019425 + ... + 1020042.

It is an arithmetic number, because the mean of its divisors is an integer number (106052336).

Almost surely, 2^630195303 is an apocalyptic number.

630195303 is a deficient number, since it is larger than the sum of its proper divisors (218223385).

630195303 is a wasteful number, since it uses less digits than its factorization.

630195303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039573.

The product of its (nonzero) digits is 7290, while the sum is 30.

The square root of 630195303 is about 25103.6910234332. The cubic root of 630195303 is about 857.3504641682.

The spelling of 630195303 in words is "six hundred thirty million, one hundred ninety-five thousand, three hundred three".