630655005 has 8 divisors (see below), whose sum is σ = 1009048032. Its totient is φ = 336349328.

The previous prime is 630654971. The next prime is 630655007. The reversal of 630655005 is 500556036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 630655005 - 2¹⁶ = 630589469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630655007) 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 7 ways as a sum of consecutive naturals, for example, 21021819 + ... + 21021848.

It is an arithmetic number, because the mean of its divisors is an integer number (126131004).

Almost surely, 2^630655005 is an apocalyptic number.

It is an amenable number.

630655005 is a deficient number, since it is larger than the sum of its proper divisors (378393027).

630655005 is a wasteful number, since it uses less digits than its factorization.

630655005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42043675.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 630655005 is about 25112.8454182317. The cubic root of 630655005 is about 857.5588810019.

The spelling of 630655005 in words is "six hundred thirty million, six hundred fifty-five thousand, five".