65530507 has 8 divisors (see below), whose sum is σ = 75307232. Its totient is φ = 55857600.

The previous prime is 65530483. The next prime is 65530511. The reversal of 65530507 is 70503556.

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 65530507 - 2¹¹ = 65528459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65530537) by changing a digit.

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, 24594 + ... + 27127.

It is an arithmetic number, because the mean of its divisors is an integer number (9413404).

Almost surely, 2^65530507 is an apocalyptic number.

65530507 is a deficient number, since it is larger than the sum of its proper divisors (9776725).

65530507 is a wasteful number, since it uses less digits than its factorization.

65530507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51909.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 65530507 is about 8095.0915374689. The cubic root of 65530507 is about 403.1634714161.

The spelling of 65530507 in words is "sixty-five million, five hundred thirty thousand, five hundred seven".