630535983 has 16 divisors (see below), whose sum is σ = 1048164096. Its totient is φ = 327551040.

The previous prime is 630535963. The next prime is 630536003. The reversal of 630535983 is 389535036.

It is an interprime number because it is at equal distance from previous prime (630535963) and next prime (630536003).

It is not a de Polignac number, because 630535983 - 2¹⁴ = 630519599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630535963) 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, 1364566 + ... + 1365027.

It is an arithmetic number, because the mean of its divisors is an integer number (65510256).

Almost surely, 2^630535983 is an apocalyptic number.

630535983 is a deficient number, since it is larger than the sum of its proper divisors (417628113).

630535983 is a wasteful number, since it uses less digits than its factorization.

630535983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729614.

The product of its (nonzero) digits is 291600, while the sum is 42.

The square root of 630535983 is about 25110.4755629996. The cubic root of 630535983 is about 857.5049292670.

The spelling of 630535983 in words is "six hundred thirty million, five hundred thirty-five thousand, nine hundred eighty-three".