630453256 has 16 divisors (see below), whose sum is σ = 1182430800. Its totient is φ = 315138384.

The previous prime is 630453203. The next prime is 630453277. The reversal of 630453256 is 652354036.

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 3 ways as a sum of consecutive naturals, for example, 27075 + ... + 44653.

It is an arithmetic number, because the mean of its divisors is an integer number (73901925).

Almost surely, 2^630453256 is an apocalyptic number.

It is an amenable number.

630453256 is a deficient number, since it is larger than the sum of its proper divisors (551977544).

630453256 is a wasteful number, since it uses less digits than its factorization.

630453256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22068 (or 22064 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 630453256 is about 25108.8282482477. The cubic root of 630453256 is about 857.4674257701.

The spelling of 630453256 in words is "six hundred thirty million, four hundred fifty-three thousand, two hundred fifty-six".