65652530 has 16 divisors (see below), whose sum is σ = 118309464. Its totient is φ = 26231040.

The previous prime is 65652527. The next prime is 65652539. The reversal of 65652530 is 3525656.

It can be written as a sum of positive squares in 4 ways, for example, as 47513449 + 18139081 = 6893^2 + 4259^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65652539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6890 + ... + 13370.

Almost surely, 2^65652530 is an apocalyptic number.

65652530 is a deficient number, since it is larger than the sum of its proper divisors (52656934).

65652530 is a wasteful number, since it uses less digits than its factorization.

65652530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 65652530 is about 8102.6248833326. The cubic root of 65652530 is about 403.4135570375.

The spelling of 65652530 in words is "sixty-five million, six hundred fifty-two thousand, five hundred thirty".