630624550 has 12 divisors (see below), whose sum is σ = 1172961756. Its totient is φ = 252249800.

The previous prime is 630624539. The next prime is 630624587. The reversal of 630624550 is 55426036.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6306196 + ... + 6306295.

It is an arithmetic number, because the mean of its divisors is an integer number (97746813).

Almost surely, 2^630624550 is an apocalyptic number.

630624550 is a deficient number, since it is larger than the sum of its proper divisors (542337206).

630624550 is a wasteful number, since it uses less digits than its factorization.

630624550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12612503 (or 12612498 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 630624550 is about 25112.2390479224. The cubic root of 630624550 is about 857.5450766366.

The spelling of 630624550 in words is "six hundred thirty million, six hundred twenty-four thousand, five hundred fifty".