65330005 has 32 divisors (see below), whose sum is σ = 89268480. Its totient is φ = 45534720.

The previous prime is 65330003. The next prime is 65330009. The reversal of 65330005 is 50003356.

It is not a de Polignac number, because 65330005 - 2¹ = 65330003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65330003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132810 + ... + 133300.

It is an arithmetic number, because the mean of its divisors is an integer number (2789640).

Almost surely, 2^65330005 is an apocalyptic number.

65330005 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65330005 is a deficient number, since it is larger than the sum of its proper divisors (23938475).

65330005 is a wasteful number, since it uses less digits than its factorization.

65330005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 65330005 is about 8082.6978788026. The cubic root of 65330005 is about 402.7518683858.

The spelling of 65330005 in words is "sixty-five million, three hundred thirty thousand, five".