630108481 has 4 divisors (see below), whose sum is σ = 632012464. Its totient is φ = 628204500.

The previous prime is 630108439. The next prime is 630108497. The reversal of 630108481 is 184801036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 630108481 - 2¹⁷ = 629977409 is a prime.

It is a super-2 number, since 2×630108481² = 794073395656254722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630108421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951495 + ... + 952156.

It is an arithmetic number, because the mean of its divisors is an integer number (158003116).

Almost surely, 2^630108481 is an apocalyptic number.

It is an amenable number.

630108481 is a deficient number, since it is larger than the sum of its proper divisors (1903983).

630108481 is a wasteful number, since it uses less digits than its factorization.

630108481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903982.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 630108481 is about 25101.9616962500. The cubic root of 630108481 is about 857.3110899719.

The spelling of 630108481 in words is "six hundred thirty million, one hundred eight thousand, four hundred eighty-one".