630480853 has 16 divisors (see below), whose sum is σ = 698011776. Its totient is φ = 566438400.

The previous prime is 630480841. The next prime is 630480863. The reversal of 630480853 is 358084036.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630480853 is a prime.

It is a super-2 number, since 2×630480853² = 795012211999215218, 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 (630480863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233650 + ... + 236332.

It is an arithmetic number, because the mean of its divisors is an integer number (43625736).

Almost surely, 2^630480853 is an apocalyptic number.

It is an amenable number.

630480853 is a deficient number, since it is larger than the sum of its proper divisors (67530923).

630480853 is a wasteful number, since it uses less digits than its factorization.

630480853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 630480853 is about 25109.3777899812. The cubic root of 630480853 is about 857.4799369716.

The spelling of 630480853 in words is "six hundred thirty million, four hundred eighty thousand, eight hundred fifty-three".