630563471 has 4 divisors (see below), whose sum is σ = 630625200. Its totient is φ = 630501744.

The previous prime is 630563459. The next prime is 630563489. The reversal of 630563471 is 174365036.

630563471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 630563471 - 2⁶ = 630563407 is a prime.

It is a super-3 number, since 3×630563471³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630563411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11486 + ... + 37323.

It is an arithmetic number, because the mean of its divisors is an integer number (157656300).

Almost surely, 2^630563471 is an apocalyptic number.

630563471 is a deficient number, since it is larger than the sum of its proper divisors (61729).

630563471 is a wasteful number, since it uses less digits than its factorization.

630563471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61728.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 630563471 is about 25111.0228983210. The cubic root of 630563471 is about 857.5173899637.

The spelling of 630563471 in words is "six hundred thirty million, five hundred sixty-three thousand, four hundred seventy-one".