630625556 has 12 divisors (see below), whose sum is σ = 1203921600. Its totient is φ = 286647960.

The previous prime is 630625547. The next prime is 630625559. The reversal of 630625556 is 655526036.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630625559) 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, 7166156 + ... + 7166243.

It is an arithmetic number, because the mean of its divisors is an integer number (100326800).

Almost surely, 2^630625556 is an apocalyptic number.

It is an amenable number.

630625556 is a deficient number, since it is larger than the sum of its proper divisors (573296044).

630625556 is a wasteful number, since it uses less digits than its factorization.

630625556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14332414 (or 14332412 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 630625556 is about 25112.2590779882. The cubic root of 630625556 is about 857.5455326342.

The spelling of 630625556 in words is "six hundred thirty million, six hundred twenty-five thousand, five hundred fifty-six".