630335505 has 8 divisors (see below), whose sum is σ = 1008536832. Its totient is φ = 336178928.

The previous prime is 630335501. The next prime is 630335513. The reversal of 630335505 is 505533036.

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 630335505 - 2² = 630335501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (630335501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21011169 + ... + 21011198.

It is an arithmetic number, because the mean of its divisors is an integer number (126067104).

Almost surely, 2^630335505 is an apocalyptic number.

It is an amenable number.

630335505 is a deficient number, since it is larger than the sum of its proper divisors (378201327).

630335505 is a wasteful number, since it uses less digits than its factorization.

630335505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42022375.

The product of its (nonzero) digits is 20250, while the sum is 30.

The square root of 630335505 is about 25106.4833260256. The cubic root of 630335505 is about 857.4140388179.

The spelling of 630335505 in words is "six hundred thirty million, three hundred thirty-five thousand, five hundred five".