630385475 has 24 divisors (see below), whose sum is σ = 791430000. Its totient is φ = 498061440.

The previous prime is 630385463. The next prime is 630385507. The reversal of 630385475 is 574583036.

630385475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630385475 - 2⁶ = 630385411 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 852656 + ... + 853394.

It is an arithmetic number, because the mean of its divisors is an integer number (32976250).

Almost surely, 2^630385475 is an apocalyptic number.

630385475 is a deficient number, since it is larger than the sum of its proper divisors (161044525).

630385475 is a wasteful number, since it uses less digits than its factorization.

630385475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 630385475 is about 25107.4784675801. The cubic root of 630385475 is about 857.4366954545.

The spelling of 630385475 in words is "six hundred thirty million, three hundred eighty-five thousand, four hundred seventy-five".