65630 has 8 divisors (see below), whose sum is σ = 118152. Its totient is φ = 26248.

The previous prime is 65629. The next prime is 65633. The reversal of 65630 is 3656.

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

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

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65633) 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, 3272 + ... + 3291.

It is an arithmetic number, because the mean of its divisors is an integer number (14769).

2⁶⁵⁶³⁰ is an apocalyptic number.

65630 is a deficient number, since it is larger than the sum of its proper divisors (52522).

65630 is a wasteful number, since it uses less digits than its factorization.

65630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 65630 is about 256.1835279638. The cubic root of 65630 is about 40.3367405237.

It can be divided in two parts, 656 and 30, that added together give a palindrome (686).

The spelling of 65630 in words is "sixty-five thousand, six hundred thirty".