630117205 has 8 divisors (see below), whose sum is σ = 761913504. Its totient is φ = 500245200.

The previous prime is 630117181. The next prime is 630117211. The reversal of 630117205 is 502711036.

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

It is not a de Polignac number, because 630117205 - 2⁷ = 630117077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 630117205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480351 + ... + 481660.

It is an arithmetic number, because the mean of its divisors is an integer number (95239188).

Almost surely, 2^630117205 is an apocalyptic number.

It is an amenable number.

630117205 is a deficient number, since it is larger than the sum of its proper divisors (131796299).

630117205 is a wasteful number, since it uses less digits than its factorization.

630117205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962147.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 630117205 is about 25102.1354669279. The cubic root of 630117205 is about 857.3150465115.

The spelling of 630117205 in words is "six hundred thirty million, one hundred seventeen thousand, two hundred five".