630565214 has 8 divisors (see below), whose sum is σ = 961879320. Its totient is φ = 309938776.

The previous prime is 630565213. The next prime is 630565237. The reversal of 630565214 is 412565036.

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

It is a super-2 number, since 2×630565214² = 795224978213731592, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630565213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2671769 + ... + 2672004.

It is an arithmetic number, because the mean of its divisors is an integer number (120234915).

Almost surely, 2^630565214 is an apocalyptic number.

630565214 is a deficient number, since it is larger than the sum of its proper divisors (331314106).

630565214 is a wasteful number, since it uses less digits than its factorization.

630565214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5343834.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 630565214 is about 25111.0576041711. The cubic root of 630565214 is about 857.5181800779.

The spelling of 630565214 in words is "six hundred thirty million, five hundred sixty-five thousand, two hundred fourteen".