630543361 has 8 divisors (see below), whose sum is σ = 721412480. Its totient is φ = 539872128.

The previous prime is 630543349. The next prime is 630543371. The reversal of 630543361 is 163345036.

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 630543361 - 2⁹ = 630542849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630543341) 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, 42576 + ... + 55441.

It is an arithmetic number, because the mean of its divisors is an integer number (90176560).

Almost surely, 2^630543361 is an apocalyptic number.

It is an amenable number.

630543361 is a deficient number, since it is larger than the sum of its proper divisors (90869119).

630543361 is an equidigital number, since it uses as much as digits as its factorization.

630543361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98943.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 630543361 is about 25110.6224733677. The cubic root of 630543361 is about 857.5082738536.

Adding to 630543361 its reverse (163345036), we get a palindrome (793888397).

The spelling of 630543361 in words is "six hundred thirty million, five hundred forty-three thousand, three hundred sixty-one".