65630005 has 8 divisors (see below), whose sum is σ = 90006912. Its totient is φ = 45003408.

The previous prime is 65629981. The next prime is 65630021. The reversal of 65630005 is 50003656.

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 65630005 - 2⁵ = 65629973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937537 + ... + 937606.

It is an arithmetic number, because the mean of its divisors is an integer number (11250864).

Almost surely, 2^65630005 is an apocalyptic number.

It is an amenable number.

65630005 is a deficient number, since it is larger than the sum of its proper divisors (24376907).

65630005 is a wasteful number, since it uses less digits than its factorization.

65630005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875155.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 65630005 is about 8101.2347824267. The cubic root of 65630005 is about 403.3674154809.

The spelling of 65630005 in words is "sixty-five million, six hundred thirty thousand, five".