65530345 has 8 divisors (see below), whose sum is σ = 78681600. Its totient is φ = 52394160.

The previous prime is 65530319. The next prime is 65530369. The reversal of 65530345 is 54303556.

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

It is not a de Polignac number, because 65530345 - 2¹⁵ = 65497577 is a prime.

It is a super-2 number, since 2×65530345² = 8588452231638050, which contains 22 as substring.

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, 11256 + ... + 16054.

It is an arithmetic number, because the mean of its divisors is an integer number (9835200).

Almost surely, 2^65530345 is an apocalyptic number.

It is an amenable number.

65530345 is a deficient number, since it is larger than the sum of its proper divisors (13151255).

65530345 is a wasteful number, since it uses less digits than its factorization.

65530345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7535.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 65530345 is about 8095.0815313992. The cubic root of 65530345 is about 403.1631391915.

The spelling of 65530345 in words is "sixty-five million, five hundred thirty thousand, three hundred forty-five".